Our verdict

Decathlon clearly wants KIPRUN to become a major name in running, and the Kipsummit Max sends a very strong message. In our lab tests, we found top-tier performance from the foam, outsole, and upper. It’s perfect for trail runners who want premium tech without paying premium prices, as simple as that. The fit is narrow and will not work for everyone, yet for the right runner, this shoe performs wonderfully and stands out as one of the best values in trail running, if not the best!

Pros

  • Premium tech at unbeatable price
  • Exceptional energy return
  • Excellent traction from Vibram outsole
  • Comfortable for long rides
  • Reasonable weight
  • Light for its category
  • Secure lockdown
  • Very stable ride
  • Looks incredible!

Cons

  • Not truly a max-cushioned shoe
  • Too narrow for wide feet
  • Ride may be firm for some

Audience verdict

N/A
Not enough reviews yet

Who should buy

Based on our testing, the KIPRUN Kipsummit Max is a strong choice for:

  • Runners who want top tech like A-TPU foam and a Vibram outsole at a highly competitive price.
  • Trail runners seeking a versatile shoe that handles many trail types while delivering excellent protection for long adventures.
  • Those who value strong energy return in a trail shoe.
  • Anyone with narrow feet who want a secure lockdown and a snug, confidence-inspiring fit.

KIPRUN Kipsummit Max

Who should NOT buy

We found in the lab that, despite its name, the Kipsummit Max may feel a bit short on stack height for runners chasing a true maximalist trail experience. If that sounds like you, we think there are better choices, such as the Hoka Mafate 5 or the ASICS Trabuco Max 4.

We also believe the snug, tapered toebox can be limiting for some foot shapes. If you want maximum toe splay, we recommend the Altra Olympus 6, while the Nike Zegama 2 offers a more average fit while keeping good energy return.

KIPRUN Kipsummit Max parts

Cushioning

Shock absorption

The Kipsummit Max, as its name suggests, is the maximalist offering from Decathlon in the trail running world. With excellent shock absorption numbers of 137 SA in the heel and 113 SA in the forefoot, it clearly handles long distances with ease and should work well for runners of any size.

KIPRUN Kipsummit Max Shock absorption heel
Heel
Forefoot
Test results
Kipsummit Max 137 SA
Average 122 SA
Compared to 91 trail running shoes
Number of shoes
62 SA
Shock absorption
160 SA

Energy return

If KIPRUN wanted to make a powerful entry into the trail world, they certainly succeeded with this shoe. The Fastech+ foam used in the Kipsummit Max is simply amazing, delivering an outstanding energy return of 71.7% in the heel and 73.8% in the forefoot.

Those are numbers that we have only seen in a handful of trail shoes, and all priced higher than this one. Heck, even in road running shoes it is hard to find a model that beats this one for the price in terms of bounce.

Heel
Forefoot
Test results
Kipsummit Max 71.7%
Average 55.9%
Compared to 91 trail running shoes
Number of shoes
42.0%
Energy return
76.0%

Heel stack

Despite having Max in the name, the Kipsummit Max has a moderately high stack height but falls short of being a true maximalist running shoe. And we actually think it's a good design choice here, as its advanced foam technology delivers top-tier shock absorption without needing 40 mm underfoot, helping create a more stable ride in the mountains.

Our measurement landed at 35.5 mm, a figure that is currently above average, though we feel that in 2 to 3 years it may no longer stand out.

KIPRUN Kipsummit Max Heel stack
Test results
Kipsummit Max 35.5 mm
Average 32.8 mm
Compared to 165 trail running shoes
Number of shoes
19.5 mm
Heel stack
47.3 mm

Forefoot stack

The forefoot stack is reasonable and protective at 27.4 mm, but for a "Max" shoe some runners may expect a figure above 30 mm. That does not happen here, at least according to our measurements.

KIPRUN Kipsummit Max Forefoot stack
Test results
Kipsummit Max 27.4 mm
Average 25.3 mm
Compared to 165 trail running shoes
Number of shoes
13.4 mm
Forefoot stack
36.7 mm

Drop

We measured a slightly higher drop than the one stated by KIPRUN, as they claim 6 mm and we found 8.1 mm. It is a very minor difference, and we still think it works very well for all foot strikes, while feeling even a bit better for heel strikers.

KIPRUN Kipsummit Max Drop
Test results
Kipsummit Max 8.1 mm
Average 7.6 mm
Compared to 164 trail running shoes
Number of shoes
-0.1 mm
Drop
17.3 mm

Midsole softness

Updated
Note: Low measurement: softer. High measurement: firmer.

The ride feels clearly firm underfoot, which many trail runners prefer because it adds stability and confidence on uneven terrain. However, those accustomed to a plush, ultra-soft foam sensation will not find that kind of comfort here.

Our Asker C durometer returned a reading of 43.6 AC. That result sits well above our current lab average, and we believe it’s important to remember that trail shoes often feel firmer than road models with the same score due to the added outsole rubber.

KIPRUN Kipsummit Max Midsole softness
Test results
Kipsummit Max 43.6 AC
Average 37.1 AC
Compared to 44 trail running shoes
Number of shoes
27.7 AC
Midsole softness (soft to firm)
46.8 AC

Rocker

Decathlon clearly wants KIPRUN to be seen as a top-tier running brand, and adding a pronounced rocker is a smart move in that direction. Of course, it also brings biomechanical benefits by making transitions feel smoother, especially for heel strikers, but we can’t deny that it also gives the shoe a modern look as well.

KIPRUN Kipsummit Max Rocker

Size and fit

Size

Owners of this shoe, how does it fit?

1 size small ½ size small True to size ½ size large 1 size large

Internal length

Note: Our testing shows that internal length is not a great measure of fit. But, as many users have requested this specific test, we've decided to add it for those interested.
KIPRUN Kipsummit Max Internal length
Test results
Kipsummit Max 268.3 mm
Average 269.1 mm
Compared to 85 trail running shoes
Number of shoes
259.7 mm
Internal length
277.4 mm

Width / Fit

When we first tried the Kipsummit Max, we found that the fit could be divisive. It felt noticeably snugger than most running shoes.

We confirmed that with a 93.3 mm reading in the first measurement of our custom gel mould. That result is less roomy than usual.

KIPRUN Kipsummit Max Width / Fit
Test results
Kipsummit Max 93.3 mm
Average 95.7 mm
Compared to 102 trail running shoes
Number of shoes
89.8 mm
Width / Fit
100.4 mm

Toebox width

The second reading was even more revealing, coming in at just 69.0 mm. In our view, this makes the shoe a poor match for wide feet.

However, it should work especially well for runners with narrow feet or anyone who prefers a locked-in fit on the trails, as it adds extra confidence on uneven and twist-filled terrain.

KIPRUN Kipsummit Max Toebox width
Test results
Kipsummit Max 69.0 mm
Average 74.4 mm
Compared to 102 trail running shoes
Number of shoes
67.1 mm
Toebox width
85.3 mm

Toebox height

The KIPRUN designers’ preference for a snug fit was confirmed in our third measurement.

Here we found just 24.2 mm of vertical space, again highlighting a secure lockdown that hugs the foot closely but leaves limited room for upward toe movement.

KIPRUN Kipsummit Max Toebox height
Test results
Kipsummit Max 24.2 mm
Average 26.9 mm
Compared to 102 trail running shoes
Number of shoes
21.5 mm
Toebox height
31.8 mm

Traction / Grip

Forefoot traction

It’s rare to see trail running shoes with a Vibram Megagrip outsole at this price, but KIPRUN somehow managed it and added huge value to the package. Thanks to that, we recorded a traction result that easily surpasses our current lab average, reaching a strong 0.72 coefficient of friction.

Test results
Kipsummit Max 0.72
Average 0.63
Compared to 37 trail running shoes
Number of shoes
0.35
Forefoot traction
0.81

Lug depth

The outsole features 3.5 mm lugs that perform very well on light and moderate trails thanks to their well-spaced layout. In addition, we found that it can also work as a capable gravel shoe when needed.

KIPRUN Kipsummit Max Lug depth
Test results
Kipsummit Max 3.5 mm
Average 3.5 mm
Compared to 164 trail running shoes
Number of shoes
1.5 mm
Lug depth
5.5 mm

Outsole design

The outsole design has clearly gone through extensive development, as this is far more than a standard Vibram outsole simply glued to the midsole. The lug angles feel carefully planned based on their placement, which we believe helps optimise grip and control.

KIPRUN Kipsummit Max Vibram

We also liked that there is very little exposed foam, with only a small window in the centre of the shoe. Some runners may still dislike it, but it works well to add flexibility and, in our view, it’s a smart-touch addition to the overall package.

KIPRUN Kipsummit Max Outsole design

Flexibility / Stiffness

We checked the longitudinal stiffness of the shoe and recorded a result of 13.9N, which is a balanced outcome that keeps the shoe somewhat flexible despite its stack height.

KIPRUN Kipsummit Max Flexibility / Stiffness
Test results
Kipsummit Max 13.9N
Average 14.7N
Compared to 91 trail running shoes
Number of shoes
3.2N
Flexibility <> Stiffness
26.4N

Weight

Weight is also well managed by KIPRUN, largely thanks to the Fastech+ supercritical foam that is much lighter than standard compounds. As a result, this shoe undercuts many competitors despite offering more stack height, landing at just 9.7 oz or 275g.

It’s another strong test result, and there have been quite a few already.

KIPRUN Kipsummit Max Weight
Test results
Kipsummit Max 9.7 oz (275g)
Average 10.2 oz (288g)
Compared to 165 trail running shoes
Number of shoes
7.5 oz (213g)
Weight
12.7 oz (359g)

Breathability

The first thing that came to mind when we looked at the shoe was that the upper shows some design cues inspired by MATRYX, although we feel that this version feels a bit more rigid and may require a short break-in period.

Aside from that, we found very good ventilation in our smoke test. We awarded it a 4/5 score, which is ideal for a shoe that can be used over ultra distances.

There are no obvious ventilation holes, or at least that’s what we found using our light test. So there had to be another route for airflow to escape.

KIPRUN Kipsummit Max microscope

We found the answer with our digital microscope. There is generous spacing between the different yarns used by KIPRUN, allowing air to move through the upper quite freely.

KIPRUN Kipsummit Max mesh

The upper looks excellent, offers impressive padding for outstanding step-in comfort, and breathes well. The material may feel slightly stiff at first, as mentioned earlier, but we believe it is another standout feature of the Kipsummit Max.

Test results
Kipsummit Max 4
Average 3.2
Compared to 154 trail running shoes
Number of shoes
1
Breathability
5

Stability

Lateral stability test

The KIPRUN Kipsummit Max offers very good stability thanks to its oversized sidewalls, which make the shoe look taller than it is, along with the firmer Fastech+ foam and a generous midsole width. In addition, the stiff upper paired with the snug fit also plays a positive role here.

Torsional rigidity

Updated

Those of you who dislike rigid trail shoes will feel welcome in the Kipsummit Max. Thanks to our new machine, which allows us to test torsional rigidity with greater precision, we found that it delivers a comfortable and flexible ride with a score of 13.8 Nm.

KIPRUN Kipsummit Max Torsional rigidity
Test results
Kipsummit Max 13.8 Nm
Average 16.4 Nm
Compared to 26 trail running shoes
Number of shoes
8.5 Nm
Torsional rigidity
25.9 Nm

Heel counter stiffness

The heel area is very comfortable, and part of that comes from KIPRUN taking a balanced approach here without excessive rigidity, earning a score of 3 out of 5.

Test results
Kipsummit Max 3
Average 3
Compared to 161 trail running shoes
Number of shoes
1
Heel counter stiffness
5

Midsole width - forefoot

With 117.6 mm of forefoot width, the Kipsummit Max reveals one of the main reasons why landings feel clearly stable underfoot.

It is not an ultra-wide shoe, and we did not find it especially clunky. However, runners who prefer highly nimble shoes for twisty terrain may favour a narrower platform.

KIPRUN Kipsummit Max Midsole width - forefoot
Test results
Kipsummit Max 117.6 mm
Average 113.4 mm
Compared to 165 trail running shoes
Number of shoes
102.1 mm
Midsole width - forefoot
126.0 mm

Midsole width - heel

The heel midsole width also sits well above our lab average at 96.6 mm.

This measurement, combined with the somewhat high drop, makes the KIPRUN Kipsummit Max a safe option for heel strikers seeking a shoe for long distances.

KIPRUN Kipsummit Max Midsole width - heel
Test results
Kipsummit Max 96.6 mm
Average 90.3 mm
Compared to 165 trail running shoes
Number of shoes
72.0 mm
Midsole width - heel
109.3 mm

Durability

Toebox durability

Aside from that break-in period some runners may need, the upper is amazing. It breathes well, looks great, and showed strong durability with a 4/5 score in this test. We also liked the generous amount of TPU protection it features.

Test results
Kipsummit Max 4
Average 3.1
Compared to 138 trail running shoes
Number of shoes
1
Toebox durability
5

Heel padding durability

The heel padding also surpassed our lab average and earned another 4/5, showing that it should not be easy to wear this area out.

Test results
Kipsummit Max 4
Average 3.1
Compared to 136 trail running shoes
Number of shoes
1
Heel padding durability
5

Outsole durability

The upper was more of a mystery, but that was not the case with the outsole. We’ve tested dozens of shoes with Vibram Megagrip, and we know it also performs very well in terms of abrasion resistance. A 0.8 mm result confirmed that once again.

Test results
Kipsummit Max 0.8 mm
Average 0.9 mm
Compared to 131 trail running shoes
Number of shoes
0.0 mm
Outsole wear
2.0 mm

Outsole thickness

The outsole features 2.0 mm of thickness, which is plenty of material to protect the midsole and your feet from trail hazards.

KIPRUN Kipsummit Max Outsole thickness
Test results
Kipsummit Max 2.0 mm
Average 2.1 mm
Compared to 165 trail running shoes
Number of shoes
0.9 mm
Outsole thickness
4.3 mm

Misc

Insole thickness

The insole, at 4.3 mm thick, is very similar to the one included with most other trail shoes.

KIPRUN Kipsummit Max Insole thickness
Test results
Kipsummit Max 4.3 mm
Average 4.7 mm
Compared to 162 trail running shoes
Number of shoes
2.1 mm
Insole thickness
7.9 mm

Removable insole

Unlike what we found in the Nike ACG Ultrafly Trail, here we were able to remove the insole and replace it with another one.

KIPRUN Kipsummit Max Removable insole
Test results
Kipsummit Max Yes

Midsole softness in cold (%)

The excellent Fastech+ foam is made from supercritical A-TPU, so we expected strong cold-weather performance. And indeed, it changed by only 9%.

KIPRUN Kipsummit Max Midsole softness in cold (%)
Test results
Kipsummit Max 9%
Average 25%
Compared to 152 trail running shoes
Number of shoes
4%
Midsole softness in cold
64%

Reflective elements

The laces used by KIPRUN are reflective, and we really liked that detail. More brands should follow this approach, as it brings only positive benefits.

Test results
Kipsummit Max Yes

Tongue padding

There’s a strong trend right now toward hybrid eyelet chains, with top and bottom sections using punched holes and the centre area using loops, as it helps create a secure lockdown and spread pressure more evenly. That’s what you get with the Kipsummit Max, plus a handy band to keep the laces in place.

KIPRUN Kipsummit Max laces

We also liked that despite the reasonable weight of the shoe, KIPRUN did not cut corners with tongue comfort. We found that a full slab of 6.5 mm works very nicely for the longest days in the mountains.

KIPRUN Kipsummit Max Tongue padding
Test results
Kipsummit Max 6.5 mm
Average 6.5 mm
Compared to 165 trail running shoes
Number of shoes
0.8 mm
Tongue padding
12.3 mm

Tongue: gusset type

Unlike many trail shoes, the Kipsummit Max features a semi-gusseted tongue design that feels more similar to what we usually see in road models, as it comes stitched into the midsole. Some trail runners may still prefer a full gusset positioned closer to the eyelet chain, as it can do a better job of blocking debris.

KIPRUN Kipsummit Max Tongue: gusset type
Test results
Kipsummit Max Both sides (semi)

Heel tab

The shoe comes with a lightweight, vertical finger-loop tab that makes grabbing the heel especially easy. We also liked that the stitching changes direction, running horizontally at the top and vertically lower down—small details matter!

KIPRUN Kipsummit Max Heel tab
Test results
Kipsummit Max Finger loop

Price

Price and value are where KIPRUN truly focuses. It is by far one of the best reasons to buy it, combining excellent foam technology and a top-tier Vibram Megagrip outsole at the similar price of a road daily trainer.

Test results
Kipsummit Max $150
Compared to 165 trail running shoes
Number of shoes
£55
Price
£230