7 Best On Running Shoes

Jens Jakob Andersen
Jens Jakob Andersen on
| Reviewed using methodology 1.8
7 Best On Running Shoes

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On is a relatively new entry in the world of running. They started producing running shoes only in 2010, but since then they’ve grown to become a relevant brand. Whether it’s for the road or the trail, On running shoes have got what it takes to compete against established brands like Adidas and Nike.

We’ve carefully tested different models from On in different categories to help all runners pick the best based on their needs. Through our own shoe testing lab, we gather data that solidify our decision to choose the shoes on this list.

Best overall
On Cloudsurfer 7 On Cloudsurfer 7
Best daily trainer
On Cloudswift 3 On Cloudswift 3
Best for tempo
On Cloudflow 4 On Cloudflow 4
Best for race
On Cloudboom Echo 3 On Cloudboom Echo 3
Best cushioning
On Cloudmonster Hyper On Cloudmonster Hyper
Best for wide feet
On Cloudstratus 3 On Cloudstratus 3
Best road-to-trail
On Cloudsurfer Trail On Cloudsurfer Trail

How we test On running shoes

Apart from having our independent RunRepeat shoe testing lab, we also buy all the running shoes from On we scrutinise with our own money. This is to make sure we give you a 100% honest review. 

To be more objective, we also carry out the following: 

  • Run in each shoe for 30-50 miles to see how they perform and how sturdy they are when put through intensive use
  • Slice the shoe into pieces to see what’s inside and explore the shoe even deeper
  • Publish 30 different parameters on their breathability, softness, thickness, weight, etc. 

Best On running shoes overall

On Cloudsurfer 7
86
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On Cloudsurfer 7
On Cloudsurfer 7
On Cloudsurfer 7 who should buy 1
On Cloudsurfer 7 cut up
On Cloudsurfer 7 cutting
On Cloudsurfer 7 Heel stack
On Cloudsurfer 7 Forefoot stack
On Cloudsurfer 7 drop
On Cloudsurfer 7 rocker
On Cloudsurfer 7
On Cloudsurfer 7 Midsole softness 2
On Cloudsurfer 7 Midsole softness in cold
On Cloudsurfer 7 Insole thickness
On Cloudsurfer 7 Toebox width at the widest part
On Cloudsurfer 7 Toebox width at the big toe
On Cloudsurfer 7 Lateral stability test
On Cloudsurfer 7 torsion
On Cloudsurfer 7 Heel counter stiffness
On Cloudsurfer 7 Midsole width in the forefoot
On Cloudsurfer 7 midsole heel
On Cloudsurfer 7 run
On Cloudsurfer 7 flex measure
On Cloudsurfer 7 Weight
On Cloudsurfer 7 micro 1
On Cloudsurfer 7 light test
On Cloudsurfer 7 smoke
On Cloudsurfer 7 micro 2
On Cloudsurfer 7 dremel test
On Cloudsurfer 7 Toebox durability
On Cloudsurfer 7 heel result
On Cloudsurfer 7 dremel heel
On Cloudsurfer 7 Outsole hardness
On Cloudsurfer 7 dremel outsole
On Cloudsurfer 7 Outsole durability
On Cloudsurfer 7 Outsole thickness
On Cloudsurfer 7 grip
On Cloudsurfer 7 Reflective elements
On Cloudsurfer 7 Tongue padding
On Cloudsurfer 7 Tongue: gusset type

What makes it the best?

We sailed through our runs with Cloudsurfer 7’s soft landings, springy toe-offs, and flexible nature. Our lab findings reveal a perfect blend of light weight, luscious foam, and high stack, making it our top On running shoe. Its excellent impact absorption and high energy return keep us coming back.

Living up to the brand’s cloud-like trademark, the Surfer 7 boasts a 36.3/21.7 mm stack made of ultra-soft and bouncy foam. Our durometer measured the cushion at a low 20.4 HA, explaining its plush nature. What’s impressive is how it’s still 1.0 oz (28g) lighter than the average running shoe despite its cushioning.

Cloudsurfer 7 is speedy without relying on the stiff speedboard other On models feature. This is thanks to its high 14.6 mm drop and rockered geometry that promotes a smooth forward-rolling ride with quick and efficient turnover. 

Our runs felt energetic and easy to manoeuvre with its unopposing midsole. It’s one of the most flexible shoes we put against our flex test, sitting 57.2% above average. This feature fosters freedom of movement and a relaxed ride.

With its focus on comfort, Cloudsurfer 7 lacks stability for pronators. Those who need extra guidance are better off with more supportive shoes.

Pros

  • Excellent shock absorption and energy return
  • Soft and squishy midsole
  • Smooth and fun ride
  • Rockered design promotes buttery transitions
  • Great for short and mid-distance runs
  • Performs well at high speed
  • No speedboard means it’s no longer stiff
  • Super comfy upper
  • Snug and secure lockdown
  • Plush tongue prevents even a hint of lace bite
  • Lightweight for such a well padded shoe
  • Stylish and sustainability minded design

Cons

  • Overall issues with durability
  • Outsole could be grippier
  • Somewhat unstable at longer distances
  • Not ideal for heavy-set individuals
  • Pricey for a daily trainer
Full review of On Cloudsurfer 7

Best daily trainer On running shoes

On Cloudswift 3
88
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On Cloudswift 3
On Cloudswift 3
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On Cloudswift 3 Cutting
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On Cloudswift 3 Smoke
On Cloudswift 3 Light
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On Cloudswift 3 Upper
On Cloudswift 3 Heel
On Cloudswift 3 Midsole
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On Cloudswift 3 Run
On Cloudswift 3 Stability
On Cloudswift 3 Flex
On Cloudswift 3 Bend
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On Cloudswift 3 Run2
On Cloudswift 3 Dremel Toe
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On Cloudswift 3 Rocker
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On Cloudswift 3 Gel
On Cloudswift 3 widest
On Cloudswift 3 big toe
On Cloudswift 3 height toebox
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What makes it the best?

The On Cloudswift 3 is a great all-rounder that looks as good as it performs and our outdoor runs and intensive lab tests confirmed this. Possessing a smooth and spirited ride, a top-notch upper, and tremendous durability, it is the best daily trainer in the On lineup.

A TPU plate (speedboard) embedded in the midsole foam provides structure and rigidity, explaining the springiness we felt during faster-paced workouts. The shoe’s rocker geometry, lively midsole foam, and 9.7 mm heel-to-toe drop blend seamlessly together to supplement the overall responsiveness. True enough, the smooth forward-rolling sensation only made us enjoy logging more miles.

There is noticeable padding around the ankle, heel, and tongue area, which means comfortable strides all the way. Our smoke test also showed that the Cloudswift 3 is excellent in terms of breathability (4/5). On our summer runs, our feet felt breezy and sweat-free even during long runs.

To test for durability, we conducted the standardised dremel test (3.4N / 4 secs) on the shoe’s toebox and the results were phenomenal. The shoe withstood the Dremel test when other shoes resulted in holes. The outsole also showed no visible signs of premature damage even after multiple double-digit runs. Using a HA Durometer, we also measured the outsole to be 6.9% firmer than the average, confirming its durability all the more. 

The Cloudswift 3 may be swift on the road, but it also swiftly tips the scales. At 309 g (10.9 oz), it really is a heavy shoe compared to the average of 265 g (9.3 oz). Runners looking for lighter shoes will want to check other options.

Pros

  • Immensely breathable
  • Secure lockdown from heel to toe
  • Responsive and protective cushioning
  • No break-in necessary
  • Smooth forward-flowing ride
  • Doesn’t collect debris as much as v1 and v2
  • Very good grip on various surfaces
  • One fine-looking runner
  • Solid sustainability elements
  • Best for daily training and easy runs
  • Also great for gym workouts
  • Also great for gym workouts

Cons

  • Slightly firm underfoot
  • Not advisable for long runs
Full review of On Cloudswift 3

Best On running shoes for tempo workouts

On Cloudflow 4
90
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On Cloudflow 4
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On Cloudflow 4.0
On Cloudflow 4.0
On Cloudflow 4.0 cutting
On Cloudflow 4.0 Heel stack
On Cloudflow 4.0 Forefoot stack
On Cloudflow 4.0 drop
On Cloudflow 4.0 Drop
On Cloudflow 4.0 foam
On Cloudflow 4.0 Midsole softness
On Cloudflow 4.0 Secondary foam softness
On Cloudflow 4.0 Midsole softness in cold
On Cloudflow 4.0 Insole thickness
On Cloudflow 4 toebox width gel test
On Cloudflow 4 Toebox width - widest part
On Cloudflow 4 Toebox width - big toe
On Cloudflow 4 Toebox height
On Cloudflow 4.0 rocker
On Cloudflow 4.0 Lateral stability test
On Cloudflow 4.0 Torsional rigidity
On Cloudflow 4.0 Heel counter stiffness
On Cloudflow 4.0 Midsole width in the forefoot
On Cloudflow 4.0 Midsole width in the heel
On Cloudflow 4.0 Stiffness
On Cloudflow 4.0
On Cloudflow 4.0 Weight
On Cloudflow 4.0 microscope
On Cloudflow 4.0 smoke
On Cloudflow 4.0 light
On Cloudflow 4.0 close up
On Cloudflow 4.0 upper
On Cloudflow 4.0 dremel toe
On Cloudflow 4.0 Toebox durability
On Cloudflow 4.0 heel dremel
On Cloudflow 4.0 Heel padding durability
On Cloudflow 4.0 outsole
On Cloudflow 4.0 Outsole hardness
On Cloudflow 4.0 outsole
On Cloudflow 4.0 Outsole durability
On Cloudflow 4.0 Outsole thickness
On Cloudflow 4.0 Reflective elements
On Cloudflow 4.0 Tongue padding
On Cloudflow 4.0 Tongue: gusset type
On Cloudflow 4.0 Heel tab
On Cloudflow 4.0 Removable insole

What makes it the best?

The Cloudflow 4 seamlessly combines breathability and protection in its upper with a midsole that strikes the perfect balance of firmness, flexibility, and responsiveness. Its airiness effortlessly elevated our tempo sessions, making it our top speed trainer among lab-tested On running shoes.

At 8.6 oz (245g), Cloudflow 4 weighs lighter than the current lab average of On road-running shoes 9.6 oz (273g). Adding to its airiness is the thin upper that allows ventilation even without large holes. This setup makes it both breathable (4/5) and durable (3/5). This trainer includes a Speedboard plate that offers delightful energy return while maintaining our stability and form even in long runs. Needing only 22.0N of force to bend to 90 degrees in our flex test, it’s 24.9% more malleable than average. This promotes a forgiving ride, proving responsive shoes don’t have to feel overly rigid.

Cloudflow 4 offers a stable and supportive ride through its two Helion foams. Our durometer shows the lower layer is a firm 28.3 HA, while the top is an even denser 33.0 HA. In our runs, we felt this through heightened ground feel, surefooted strides, and our feet doing the work—the latter being an advantage for muscle strengthening.

We do not recommend this shoe for wide feet since it has a form-fitting upper and a midsole that’s 3.5 mm narrower in the forefoot.

Pros

  • No longer catches stones in the outsole
  • Extremely light and nimble
  • Effective rockered geometry
  • Provides a stable ride
  • Comfortable and durable upper
  • High-quality materials
  • Suitable for interval training speeds

Cons

  • Likely too expensive for the features provided
  • The foam may be excessively firm
  • The foam may be excessively firm
Full review of On Cloudflow 4

Best On shoes for race running

On Cloudboom Echo 3
90
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On Cloudboom Echo 3
On Cloudboom Echo 3
On Cloudboom Echo 3
On Cloudboom Echo 3 parts
On Cloudboom Echo 3 cutting
On Cloudboom Echo 3 heel
On Cloudboom Echo 3 Heel stack
On Cloudboom Echo 3 Forefoot stack
On Cloudboom Echo 3 drop
On Cloudboom Echo 3 Drop
On Cloudboom Echo 3 foam
On Cloudboom Echo 3 Midsole softness
On Cloudboom Echo 3 Midsole softness in cold
On Cloudboom Echo 3 Insole thickness
On Cloudboom Echo 3 Gel
On Cloudboom Echo 3 Toebox width - widest part
On Cloudboom Echo 3 Toebox width - big toe
On Cloudboom Echo 3 Toebox height
On Cloudboom Echo 3 Lateral stability test
On Cloudboom Echo 3 Torsional rigidity
On Cloudboom Echo 3 Heel counter stiffness
On Cloudboom Echo 3 Midsole width in the forefoot
On Cloudboom Echo 3 Midsole width in the heel
On Cloudboom Echo 3 Stiffness
On Cloudboom Echo 3
On Cloudboom Echo 3 Weight
On Cloudboom Echo 3 microscope
On Cloudboom Echo 3 smoke test
On Cloudboom Echo 3 light test
On Cloudboom Echo 3
On Cloudboom Echo 3 upper
On Cloudboom Echo 3 dremel toes
On Cloudboom Echo 3 Toebox durability
On Cloudboom Echo 3 heel dremel
On Cloudboom Echo 3 Heel padding durability
On Cloudboom Echo 3 rubber
On Cloudboom Echo 3 Outsole hardness
On Cloudboom Echo 3 dremel outsole
On Cloudboom Echo 3 Outsole durability
On Cloudboom Echo 3 Outsole thickness
On Cloudboom Echo 3 Reflective elements
On Cloudboom Echo 3 laces
On Cloudboom Echo 3 Tongue padding
On Cloudboom Echo 3 Tongue: gusset type
On Cloudboom Echo 3 Heel tab
On Cloudboom Echo 3 Removable insole

What makes it the best?

The Cloudboom Echo 3 exudes pure speed, fully deserving the ultimate racer title among On’s lineup. Its unique rockered shape, responsive cushioning, and snappy rigid plate help us fly through the miles, as our streets came to witness. Even our lab results prove it’s a high-performance shoe that can match other supershoes in the industry.

The undeniable energy return comes from the rigid and curved carbon plate embedded in the bouncy Pebax foam. During our flex test, the midsole demonstrated exceptional rigidity, requiring 65.0% more force than average to bend to 90 degrees. Powered by the latest Helion HF foam, known for its unparalleled responsiveness, and complemented by the rocker design, our strides were propelled forward effortlessly.

This racer doesn’t sacrifice comfort for speed. Its foam has a pleasantly firm feel, which our durometer confirms at a balanced 23.5 HA. The stack is a sky-high 38.6/28.4 mm to dampen repetitive landing impact and save our legs from fatigue.

Further enhancing our experience is the snug yet highly breathable upper, crucial for avoiding painful blisters and hotspots. Our light test reveals exceptional ventilation from the toebox to the midfoot areas, which explains its perfect breathability rating.

Unfortunately, we cannot recommend this pair to runners with medium to wide feet as it runs extremely narrow (107.0/78.1 mm) vs. the average (113.5/90.3 mm).

Pros

  • Well-cushioned for marathon distances
  • High-energy return from Pebax foam
  • Offers a responsive and bouncy ride
  • Exceptionally breathable upper
  • Excellent for 5K and 10K runs
  • Semi-gusseted tongue
  • A wonder for those with narrow feet
  • Made from premium-quality materials

Cons

  • Exorbitantly high price
  • Likely too narrow for most runners
  • Weight leans toward the heavier side
Full review of On Cloudboom Echo 3

On running shoes with the best cushioning

On Cloudmonster Hyper
89
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On Cloudmonster Hyper
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On Cloudmonster Hyper stack heel
On Cloudmonster Hyper Heel stack
On Cloudmonster Hyper forefoot
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On Cloudmonster Hyper drop measurement
On Cloudmonster Hyper Drop
On Cloudmonster Hyper HF
On Cloudmonster Hyper foam
On Cloudmonster Hyper Midsole softness
On Cloudmonster Hyper half
On Cloudmonster Hyper Helion
On Cloudmonster Hyper Secondary foam softness
On Cloudmonster Hyper Difference in midsole softness in cold
On Cloudmonster Hyper Insole thickness
On Cloudmonster Hyper toe spring
On Cloudmonster Hyper Rocker
On Cloudmonster Hyper Gel
On Cloudmonster Hyper Toebox width - widest part
On Cloudmonster Hyper Toebox width - big toe
On Cloudmonster Hyper Toebox height
On Cloudmonster Hyper stable
On Cloudmonster Hyper Lateral stability test
On Cloudmonster Hyper Torsional rigidity
On Cloudmonster Hyper Heel counter stiffness
On Cloudmonster Hyper narrow
On Cloudmonster Hyper Midsole width in the forefoot
On Cloudmonster Hyper Midsole width in the heel
On Cloudmonster Hyper Flexibility / Stiffness
On Cloudmonster Hyper weight loss
On Cloudmonster Hyper Weight
On Cloudmonster Hyper microscope
On Cloudmonster Hyper smoke
On Cloudmonster Hyper Light
On Cloudmonster Hyper micro 2
On Cloudmonster Hyper upper
On Cloudmonster Hyper Dremel Toe
On Cloudmonster Hyper Toebox durability
On Cloudmonster Hyper Dremel Heel
On Cloudmonster Hyper Heel padding durability
On Cloudmonster Hyper outsole
On Cloudmonster Hyper Outsole hardness
On Cloudmonster Hyper outsole
On Cloudmonster Hyper Outsole durability
On Cloudmonster Hyper Outsole thickness
On Cloudmonster Hyper Reflective elements
On Cloudmonster Hyper laces
On Cloudmonster Hyper Tongue padding
On Cloudmonster Hyper Tongue: gusset type
On Cloudmonster Hyper Heel tab
On Cloudmonster Hyper Removable insole

What makes it the best?

On's innovative Cloudmonster Hyper doesn't just prioritise comfort; it offers a stable and dynamic ride, catering to all kinds of runs and runners. This unique supertrainer combines the speed of a racer with the flexibility and support of a daily trainer, setting a new standard in performance footwear. After comprehensive testing in the lab and out on the streets, we confidently claim Cloudmonster Hyper as On's best-cushioned running shoe.

The Cloudmonster Hyper boasts an impressive midsole, towering at 39.7/33.0 mm—a significant 6.1/8.0 mm increase over our lab average. Its dual-foam setup offers a forgiving and bouncy ride, with a firmer 28.8 HA foam in the heel for stability and a softer 21.3 HA top layer for propulsion and comfort. The CloudTec's compression and bounce add to the gentler feel underfoot.

Our toe-offs felt extra energetic. Surprisingly, this On shoe leaves out the Speedboard plate for enhanced flexibility. Our bend test proves its versatility, emerging 20.3% more malleable than average. 

Despite its height, our landings felt steady and controlled. Other than the midsole sidewalls that cradle our feet, it strongly resisted twisting, proven by its 4/5 torsional rigidity score in our manual assessment. During our runs, accidentally twisting our ankles seemed impossible.

However, the shoe is prone to hotspots because of its subpar breathability (3/5). Runners in warm climates need more ventilation.

Pros

  • Roomy upper for a performance shoe
  • Lighter than the Cloudmonster 2
  • High-quality materials
  • Well-balanced stack and stability
  • Comfortable for easy runs
  • Durable outsole
  • Wonderful lacing system

Cons

  • High price
  • Not the best for heel strikers
  • Needs more ventilation
Full review of On Cloudmonster Hyper

Best On running shoes for wide feet

On Cloudstratus 3
90
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On Cloudstratus 3
On Cloudstratus 3
On Cloudstratus 3 1
On Cloudstratus 3 cut
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On Cloudstratus 3 Heel stack
On Cloudstratus 3 Forefoot stack
On Cloudstratus 3 drop
On Cloudstratus 3 mid dur
On Cloudstratus 3 oush
On Cloudstratus 3 run 2
On Cloudstratus 3 Midsole softness in cold
On Cloudstratus 3 Insole thickness
On Cloudstratus 3 Gel
On Cloudstratus 3 Toebox width - widest part
On Cloudstratus 3 Toebox width - big toe
On Cloudstratus 3 Toebox height
On Cloudstratus 3 stab
On Cloudstratus 3 torsion
On Cloudstratus 3 Heel counter stiffness
On Cloudstratus 3 Midsole width in the forefoot
On Cloudstratus 3 Midsole width in the heel
On Cloudstratus 3 flex
On Cloudstratus 3 weigh
On Cloudstratus 3 run
On Cloudstratus 3 cu
On Cloudstratus 3 smoke
On Cloudstratus 3 light
On Cloudstratus 3 cu2
On Cloudstratus 3 toe
On Cloudstratus 3 drem tow
On Cloudstratus 3 drem heel
On Cloudstratus 3 Heel padding durability
On Cloudstratus 3 Outsole hardness
On Cloudstratus 3 drem out
On Cloudstratus 3 Outsole durability
On Cloudstratus 3 outsole
On Cloudstratus 3 Reflective elements
On Cloudstratus 3 tongue
On Cloudstratus 3 Tongue padding
On Cloudstratus 3 Tongue: gusset type

What makes it the best?

The Cloudstratus 3 proves its worth with each stride, offering versatility and comfort during our mixed-distance runs. Extensive lab analysis highlights its spacious platform, resilient midsole, and both propulsive and forgiving ride, making it the top choice among On running shoes for wide feet.

Cloudstratus 3 not only brings comfort but inspires confidence in our strides. It has an expansive landing base and a roomy toebox for our relief and sure-footedness. Our calliper reveals a 115.4/90.3 mm midsole, the forefoot notably being 1.9 mm wider than average. The toebox is a generous 101.0 mm that gently tapers to 81.8 mm in the big toe area, giving us room to swell without hotspots.

Staying true to On’s core, it features a firmer-than-average 27.6 HA Helion foam that feels a lot softer due to its “clouds” that absorb landing impact and spring us back with energy when it returns to its original form. Further enhancing a well-protected ride is its 35.3/26.2 mm stack.

Cloudstratus 3 features a nylon speedboard that adds spring to each step without the rigidity of a carbon plate. Our tests show it's 14.6% more flexible than the norm, ensuring a comfortable and relaxed feel.

While the Cloudstratus 3 boasts impressive features, its £180 price tag may lead to hesitation. For a more budget-friendly daily trainer, it's worth exploring alternative options.

Pros

  • Excellent impact dampening
  • Propulsive nylon speedboard
  • Smooth rolling ride
  • Can go the distance
  • Feels stable underfoot
  • Secure and comfy lockdown
  • Luxuriously padded tongue
  • Roomy toebox
  • Sleek and sustainably made upper

Cons

  • Higher than advertised drop
  • Stiff speedboard feels apparent at low speeds
  • Pricey at $180
  • Midsole voids catch debris
Full review of On Cloudstratus 3

Best On running shoes for road-to-trail

On Cloudsurfer Trail
85
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On Cloudsurfer Trail drop
On Cloudsurfer Trail Drop
On Cloudsurfer Trail foam
On Cloudsurfer Trail Helion
On Cloudsurfer Trail Midsole softness
On Cloudsurfer Trail Difference in midsole softness in cold
On Cloudsurfer Trail Insole thickness
On Cloudsurfer Trail Gel
On Cloudsurfer Trail Toebox width - widest part
On Cloudsurfer Trail Toebox width - big toe
On Cloudsurfer Trail toes
On Cloudsurfer Trail Toebox height
On Cloudsurfer Trail Lateral stability test
On Cloudsurfer Trail Torsional rigidity
On Cloudsurfer Trail Heel counter stiffness
On Cloudsurfer Trail running
On Cloudsurfer Trail Midsole width in the forefoot
On Cloudsurfer Trail Midsole width in the heel
On Cloudsurfer Trail Stiffness
On Cloudsurfer Trail toes
On Cloudsurfer Trail running
On Cloudsurfer Trail Weight
On Cloudsurfer Trail microscope
On Cloudsurfer Trail smoke
On Cloudsurfer Trail Light
On Cloudsurfer Trail microscope 2
On Cloudsurfer Trail upper
On Cloudsurfer Trail Dremel toe
On Cloudsurfer Trail Toebox durability
On Cloudsurfer Trail Heel Dremel
On Cloudsurfer Trail Heel padding durability
On Cloudsurfer Trail Missiongrip
On Cloudsurfer Trail Outsole hardness
On Cloudsurfer Trail outsole durability
On Cloudsurfer Trail Outsole durability
On Cloudsurfer Trail Outsole thickness
On Cloudsurfer Trail lugs
On Cloudsurfer Trail Lug depth
On Cloudsurfer Trail 360 visibility
On Cloudsurfer Trail Reflective elements
On Cloudsurfer Trail tongue
On Cloudsurfer Trail Tongue padding
On Cloudsurfer Trail Tongue: gusset type
On Cloudsurfer Trail Heel tab
On Cloudsurfer Trail Removable insole

What makes it the best?

We couldn’t help but notice On Cloudsurfer Trail’s high level of versatility and comfort during testing. It’s a lightweight, fuss-free trainer with a robust Missiongrip outsole for rugged terrains. Proven by the lab, it performs well on various surfaces, making it our best road-to-trail On running shoe.

The ride feels seamless as we transition from the city to off-the-beaten paths. The lugs underfoot measure 2.5 mm—grippy enough for moderate trails without feeling too bulky on the streets. The outsole features On’s Missiongrip rubber with a high durometer measurement of 90.4 HA. We put it further to the test with our Dremel, and our jaws dropped with its barely visible 0.3 mm damage vs. the 0.9 mm average.

Mirroring its road counterpart, Cloudsurfer Trail feels weightless, and our scales confirm it’s only 9.6 oz (272g) vs. the 10.3 oz (292g) average. Adding to its lightness and comfort is its fluid build, which our bend test reveals is 28.8% more flexible than average.

Despite its lightness, this hybrid shoe is highly cushioned. Its above-average 37.4/26.7 mm stack measures a firm 26.4 HA per our durometer. Nonetheless, it feels much softer underfoot due to the compression of the new CloudTec Phase system, allowing us to stay on foot longer.

However, the 10.7 mm drop feels excessive for tackling technical terrains. Those who prefer a more grounded experience should check other options.

Pros

  • Exceptional outsole durability
  • Excellent build quality
  • Truly versatile design
  • Remarkably light for trail use
  • Cushioned
  • Flexible and comfortable
  • Wonderful for heel strikers
  • Works well on asphalt or concrete

Cons

  • High drop for trail running
  • Pricier than similar models
Full review of On Cloudsurfer Trail

How to choose On running shoes

On shoes are immediately recognisable for their unique midsole (which has holes in it!) and for their name, which always starts with “Cloud”. They can’t be mistaken for another brand.

But how do you know which one is the perfect match for you?

On-Cloudrunner-heel-hold

To answer that question, let’s have a look at the type of terrain as well as your pace, distance, pronation, foot strike, and foot width.

Road or Trail? Where do you run?

Most shoes from On are meant for running on roads, but there are also a few options for trail running as well.

Get a road running shoe if you run mainly on paved surfaces, asphalt, tarmac, or track. The Cloudswift is an example of a road running shoe from On for short runs.

Keep in mind that some shoes of this kind can handle gravel as well, as long as they have a durable and grippy outsole, like the Cloudmonster.

On-Cloudmonster-traction

Get a trail running shoe if trails, grass, rocky terrain, and mud are where you usually run. For example, the Cloudultra 2 is stable, feels light, and is very comfortable even for long runs.

On Cloudultra 2 lugs

Some models perform well on both roads and trails, and they are called door-to-trail, road-to-trail, or hybrid shoes. Within On, a great choice is the Cloudvista, which is a fun and forgiving shoe for running fast on pavement or mildly technical terrain.

On Cloudvista Heel tab

Remember that trail running shoes need to grip the ground and protect the feet much better, so they are usually sturdier, heavier, have better durability, and have a more aggressive outsole. 

On Cloudvista Outsole durability
Lugs on the Cloudvista (damaged in our durability test)

On Cloudultra 2 Lug depth

Based on our calliper measurements, the common lug depth in trail shoes from On is 2.5 mm.

This is shallower than the average 3.5 mm across trail shoes from all brands. So, if you are dealing with a lot of mud and slush, it's better to go for a brand with deeper lugs. Here are a few examples:

On running shoes based on pace

Another thing you must consider when choosing a shoe is what you intend to do with it in terms of training. 

Slow, fast, or faster?

Most road running shoes are divided into 3 categories:

  • daily trainers: they usually provide good cushioning and versatility for most runs. They are ideal for your day-to-day workouts at a slow pace
  • tempo training shoes: get these shoes if you need to increase your pace or work on speed, as they are lighter and faster
  • racing/competition shoes: while many shoes for tempo training are perfectly suitable for race day, those specifically made for racing are more performance-focused and can have an edge over other shoes in terms of speed

Going far? Get the right On running shoe

If you love very long runs, such as 40-50km and beyond, there are also shoes specifically made for that purpose. Normally, they have a great amount of cushioning for protection (at least 30 mm in heel stack), are slightly wider to let the foot expand once swollen, and usually are on the softer side underfoot.

On-Cloudmonster-heel-stack.JPG
On Cloudmonster (great for marathons and ultras)

*Midsole softness: lower HA reading means softer cushioning

The right On shoe for your pronation type

Every foot is different and some runners have neutral pronation, while others have supinating feet or overpronation. Running shoes should be chosen according to the type of pronation and the type of arch.

Here is a helpful graphic to understand the difference:

new-pronation-comparison-chart-runrepeat.jpg

If you find out that you need extra support for your arches, go for a stability running shoe from On. Otherwise, choose a neutral model.

If you are still in doubt about your case, check out our guide on arch support to get a more in-depth idea and try the wet-paper test that is explained in it.

A shoe with good support won't let your arches and ankles collapse inward.

In our lab, we assess each shoe's stability more in-depth by evaluating their torsional rigidity and heel counter stiffness as well as measuring their platform width.

On Cloudstratus 3 Midsole width in the heel

You can see how the brand's stability shoes fare against each other in the table below:

On shoes for narrow, normal, and wide feet

Even in the same size, running shoes can vary in width. Although the width can be narrower or wider at the heel, it’s at the midfoot and at the forefoot where we can feel it most.

on-cloudswift-3-onfeet.JPG

When it comes to the toebox, it's something that we measure in our lab and we're very proud of it because we haven't seen anyone do anything similar. We created a special gel that perfectly fills the toebox interior, and we freeze it together with the shoe to get a gel mould that resembles the shape of the toebox. 

Once the gel has hardened, we take it out. This gel mould is what we can work with because it's impossible to measure the volume of the toebox on the inside without destroying the upper and the shape of the shoe. 

width-toebox-gel-on-running-shoes.jpg
We measure the width of the toebox at the big toe (left) and where it's the widest (right). This allows us to understand how pointy the toebox is and where you may end up with cramped feet

Depending on the shape of your toes, you can choose On running shoes with more room in 2 of those 2 places. Here, we showcase (and automatically update with every On shoe tested) the widest toeboxes: 

When we cut the gel mould in half, we're also able to measure the height of the toeboxes in On running shoes. If you've ever experienced black toenails or bleeding toenails, we recommend looking for toeboxes with more vertical room. 

height-toebox-on-running-shoes.jpg

Choosing the heel-to-toe drop in On shoes

If you're a beginner, it's a general recommendation to stick to the unwritten industry standard of 8-10 mm.

Heel-to-toe drop is something a lot of runners don’t know about, but it is definitely, an aspect to take into account when buying a new shoe. It’s the difference in height (in millimetres) between the heel and the forefoot.

Example of a heel striking pattern

Most running shoes put the foot in a position that is inclined forward, which means higher at the back and lower at the front. The difference in height between the two points can vary from 0 to 14 mm, and it can make your muscles, tendons, and joints work in different ways.

It’s not a rule that applies to everyone, but normally:

  • higher drops facilitate heel strike and load knees and hips more.

On Cloudsurfer 7 drop

  • lower drops help with forefoot and midfoot strike, and load ankles and calves. The Cloudventure Peak has a drop of 6 mm

On Cloud X Drop

On does not produce zero-drop running shoes, such as other brands do (take Altra, for example) and its products don’t have very low drops, as they go from 4 to 11 mm, which is a range that can suit most runners.

Want to know more about this? Read our guide on the drop.

Running in summer? Make sure your On shoe is breathable

We have found that most running shoes from On come with very well-ventilated uppers. 

In addition to trying shoes on our feet, we also used the most effective and visually striking tests to evaluate the breathability level of these shoes.

We fill shoe uppers with smoke to see how easily it escapes through the material.

We also hover the shoe's half-cut upper over the light to see the most ventilated areas.

On a 1-5 scale, where 5 is the most breathable, On running shoes got an average score of 4. This is the same as the average of running shoes from other brands. And if you're wondering what the most breathable On running shoes are...

What sets On apart from other brands?

Attention magnets

They are attention magnets with their design. This holds true for every category, whether they are for walking or playing tennis. And the same goes for their running shoes, which are stylish and perfectly suitable for casual wear.

On Cloudeclipse

Not for budget-minded runners

They are quite pricey! On has only a couple of running shoes that cost £140, in comparison to all the other models, which cost on average around £160.

Firm ride, yet responsive

On’s running shoes are usually on the firm side underfoot.

This is because the midsole is made of a denser and harder foam, that does not compress much under a runner’s weight. It doesn’t feel soft, but at the same time, it doesn’t waste as much energy as soft foam does. Instead, it gives it back to you.

Having lab-tested several hundred running shoes, we can confidently claim that the cushioning of On running shoes is 20% firmer than the average.

On Cloudstratus Midsole softness
The average durometer reading of On shoes is 29.9 HA while the average across all brands is 24.2 HA.

Oops! Less durable uppers!

One On Cloud shoe after another, we kept getting more and more disappointed with the ability of the brand's uppers to withstand abrasion.

After 12 seconds of drilling the toebox with our Dremel, it ended up with a see-through hole in most cases.

The same happened to the heel padding of On running shoes. A mere 4 seconds of Dremel touch left significant wear on these delicate uppers.

On Cloudvista Heel padding durability

On a 1-5 scale, where 5 is the most durable, very few On shoes managed to score above 2-3.

*Higher numbers indicate better durability in the case of the toebox and heel padding. For the outsole, it's the lower numbers that indicate better durability because that means the dent our Dremel has made was shallower.

Technologies found only in On running shoes

The idea of the founder, a former professional triathlete, was to create a running shoe that was fun, and at the same time could reduce heart rates and muscle fatigue in runners. While these statements are quite bold, there are for sure some features that set On apart from other brands.

The CloudTec 

This technology consists of a particular cloud-shaped midsole, that is adaptive and can deflect with weight, both vertically and horizontally, and gives a unique feel underfoot that many runners have come to love.

Bear in mind, though, that to appreciate this technology you must like shoes that are on the firmer side of things. 

On-Cloudmonster-durability
A close-up of the Cloudtec technology

The Speedboard

The CloudTec alone wouldn’t be able to recreate the feel mentioned above. It needs something to help propel the foot forward, and this is why On added a plastic layer, sitting between the midsole and the upper, that offers help with the toe-off at every step. 

The combination of the two technologies makes the shoes more responsive and faster.

On Cloudflyer 4 Drop
The Speedboard you can find in On running shoes

3x UTMB winner wears On running shoes

Most brands have ambassadors and athletes who promote, train, and race using the brand’s gear. 

Xavier Thévenard is one of On’s athletes. His name will not sound familiar to the majority of people, but in the world of trail running and ultramarathons, he’s definitely well-known. Xavier won the 170km Ultra Trail of Mont Blanc three times, arguably the most important ultra-trail running race in Europe. He wears the Cloudultra for long distances and the Cloudvista for shorter runs.

On Cloudvista Toebox feel

FAQ

Are On running shoes good for walking?

Yes. The Cloudvista is a good example as it is comfortable, feels lighter than its weight, is very breathable, can go on gravel, and looks good.

If you are not going to run at all, have a look at On’s walking shoes such as the On Cloud 5, which weighs only 8.4oz (238g), has an amazing in-shoe feel, it’s fast to slip on and off, and provides a rather good amount of cushioning and protection underfoot.

Should I get waterproof shoes?

Waterproof shoes have a membrane, usually made of Gore-Tex, that serves as a barrier against water. They can be a great choice when you are running in inclement weather and On has some models made for this, which are very easy to spot as they have “Waterproof” in the name itself.

Keep in mind that these models usually have some downsides compared to non-waterproof shoes: 

  • they are slightly heavier
  • breathability is not as good. This means that your feet might sweat more and get warmer
  • if you let your feet sink in a puddle, or water slides down your legs or trousers and gets inside the shoes, it’s very likely that it will be insanely difficult to dry.

On Cloud Waterproof toe box

Are there cheap On running shoes?

On running shoes are generally a bit expensive. The average price is around £160, which is higher compared to other brands’, for example Salomon (£140) or Brooks (£130). 

Runners who mean to save some money don’t have a really cheap choice within On. The lines with the lowest price tag are the Cloudrunner (£150), which sit in the stability category, and the Cloudflow (£140), for neutral feet.  

Do On shoes fit true to size? 

On running shoes usually wear true to size. In order to avoid mistakes, keep in mind that:

  • if you know you have wide feet, it’s very likely that you will need to go a half size up 
  • if you choose an On waterproof shoe, bear in mind that they tend to fit snugger, and the brand itself suggests getting a larger size (+1 US size from your regular one)
  • as a general tip, if you happen to fall between sizes, choose the larger one. To get a better idea of how it works with sizes, check out our guide on this topic: On size chart.

On Cloudflyer 4 Toebox width at the widest part

Are On shoes sustainable?

Yes. In recent years running brands have started making an effort to reduce their impact on the planet. This comes in various forms, such as, for example, reducing the amount of material used to create a shoe, or by using recycled parts, and so forth. 

In order to find new ways to contribute to the environment, On worked on different projects, Here are some of them.

Cyclon

This is a subscription service in which runners, instead of throwing away their On shoes, can return them to the company and get a new pair. This way On can recycle the old shoes and with them they make new ones. 

CleanCloud

Another interesting way in which On limits the impact on the planet is by using a foam that is made with carbon emissions. This is made possible through a process that captures industrial carbon emissions and transforms them into liquid ethanol, which is itself turned into EVA, a widely-used material for creating midsoles.

On Cloudflyer heel

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Author
Jens Jakob Andersen
Jens Jakob Andersen
Jens Jakob is a fan of short distances with a 5K PR at 15:58 minutes. Based on 35 million race results, he's among the fastest 0.2% runners. Jens Jakob previously owned a running store, when he was also a competitive runner. His work is regularly featured in The New York Times, Washington Post, BBC and the likes as well as peer-reviewed journals. Finally, he has been a guest on +30 podcasts on running.
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