Summary

We spent 9.2 hours reading reviews from experts and users. In summary, this is what runners think:

8 reasons to buy

  • Most consumers have welcomed the close-to-the-ground profile of the Merrell Vapor Glove 4.
  • The flexibility of this product is lauded by testers.
  • Several reviews emphasize the lightweight structure’s capacity to permit all-day wear.
  • The traction equipped by the outsole unit is deemed reliable by a lot of purchasers.
  • The aesthetics of this running shoe are appreciated, with some testers believing that the facade is great for casual walks.
  • Fans of minimalist running shoes like the barefoot-like quality of their performances when wearing the Vapor Glove 4.
  • The sole unit provides an excellent ground feel, according to a few users.
  • A couple of purchasers have observed the upper material to dry quickly whenever they run in wet conditions.

3 reasons not to buy

  • Some runners have complained about the materials of the insole and the upper being susceptible to odor.
  • The thinness of the underfoot platform paved the way for worn outsoles and holes, according to a few testers.
  • A couple of wearers have noted the frontmost eyelet rubbed against the skin uncomfortably.

Bottom line

People generally like the Merrell Vapor Glove 4 and what it has to offer. This product is deemed versatile and accommodating, particularly to those who welcome a near-the-ground experience. The highlights include the flexible construction, the cool looks, and the effective gripping capacity. On the other hand, some have complained of fabrics that are prone to odor while others criticized the flimsy durability of the outsole.

Fans of neutral running shoes that don’t have a lot of heft to its construction are likely to enjoy the Vapor Glove 4.

Facts

Terrain: Road
Arch support: Neutral
Weight: Men: 5.6oz | Women: 4.3oz
Heel to toe drop: Men: 0mm | Women: 0mm
Fit: Medium forefoot, Medium heel, Medium toe box
Pronation: Neutral Pronation
Arch type: High arch
Use: All-day wear
Material: Mesh upper, Rubber sole, Vegan, Vibram sole
Features: Breathable | Sockless wear
Strike Pattern: Forefoot strike
Distance: Competition
Technology: Vibram
Heel height: Men: 6mm | Women: 6mm
Forefoot height: Men: 6mm | Women: 6mm
Brand: Merrell
Type: Low drop | Zero drop | Barefoot
Width: Men: Normal | Women: Normal
Price: $80
Colorways: Black, Blue, Green, Grey, Orange, Red, White, Yellow
Special editions: 1 special editions
Size
Small True to size Large
Forefoot fit
Narrow Wide
Heel fit
Narrow Wide
Toebox
Tight Roomy
Flexibility
Stiff Flexible
Breathability
Warm Breathable
Cushioning
Firm Plush
Durability 7/10
Comfort 5/10
Traction 8/10
See more facts

Expert Reviews

Experts are runners, who post reviews at youtube, directly at RunRepeat or at their own websites. Each expert is categorized from level 1 to level 5 based on expertise. See stats on expert reviews and how we calculate scores here.

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86 / 100 based on 4 expert reviews

  • 88 / 100 | Anthony Privetera

    Merrell Vapor Glove 4: Airy shield against the elements

    More photos

    Looking for a modest shoe, without fluff, that will last for miles?

    Merrell’s combination of Vibram soles with a Cordura mesh upper offers substantial protection while remaining featherlight and ultra-responsive. For the experienced barefoot runner (or those willing to take on the learning curve) this is an essential shoe.

    Let’s start from the bottom up and see why.

     

    Outsole

    The Vapor Glove 4 keeps the Vibram® industrial and safety TC5+ rubber blend of its predecessor, offering 3.5mm of thickness though a 1.5mm web and 2mm of lugs. The traction is fantastic though you will feel rocks and roots as you go over them.

    The ground feel is similar to the Vibram V-Alpha’s if you are looking for a closed toe shoe that keeps the excellent proprioception offered by this style of sole.

     

     

    The front end is wrapped off with a toe cap of the same rubber for a little extra insurance, however, it will not protect you enough if you kick a rock so watch where you’re going with these shoes!

    No noticeable difference in wear versus the Megagrip compound on my other Vibram soles, all which have held up over many, many miles thus far.

    Midsole

    As you would expect in a minimalist shoe, there's not much to talk about in the 3mm insole other than the fact that it's stitched into the shoe and therefore unremovable.

    If a removable insole is a must for you, I would recommend taking a look at the Xero TerraFlex.

     

     

    This version loses the rock plate/trail protection feature in other shoes from Merrell and instead sports the Merrell Barefoot 2 design for the midsole. Revel in the fact that the collapse of fancy midsole foam will not be the death of this minimalist shoe.

    Although M Select™ FRESH antimicrobial agents are included to help reduce shoe odor, I would hold my breath if I chose not to wear socks with this shoe. Nothing particularly outstanding but made well enough to earn high marks.

    Upper

    On the lightweight chassis, you get a sturdy Cordura mesh upper with TPU reinforcements on the inside arch, outside pinky toe area and heel.

    The Hyperlock™ heel counter is subtle and effective at providing just enough stability for your heel. No heel cup here.

     

     

    I had a small fit issue with my heel moving around but a heel slipping lace adjustment quickly solved the problem. Check out RunRepeat’s YouTube channel for a plethora of videos that detail lacing techniques before deciding any shoe just doesn’t fit!

    Normally a traditional lace closure with such a minimal upper is room for concern, however, the Cordura mesh is uber strong and offers exceptional breathability.

     

     

    A roomy toe box allows for plenty of splay and a sockliner feature around the ankle adds a touch of comfort without restricting the joint’s movement.

    I did miss the burrito tongue closure sported by the trail Glove cousin but rest assured there is enough padding to offer protection and comfort without the bulk.

    Fit

    Since I couldn’t find these shoes locally, I ended up having to order online and found out I needed a half size down from my Trail Glove 4 size.

    Do yourself a favor a do a proper measurement of your foot before ordering these shoes - check the Japan shoe size which is just a centimeter measurement of the foot - before hitting the buy button on these shoes if you’re ordering online.

     

     

    The Barefoot 2 execution on the midfoot comes out a little loose if you’re used to a snug, arch wrapping support.

    Despite these concerns, I never really noticed a huge detrimental impact on my running and I even suspect the slight differences in design from other barefoot shoes helped strengthen the little bones and muscles in my feet even further. Lower marks for the initial hassles for an otherwise great fit.

    Gait Cycle Performance

    With the shoe weighing in at 6oz and sporting a 6.5mm stack height, it should come as no surprise that your body is expected to do most of the work in this shoe. You’re unable to overstride as it will be rather painful in this shoe.

    I did notice that the front half of the foot has a slightly muted proprioception during foot strike and toe-off with the closed toe when compared to a Vibram Fivefinger and having free little piggies.

    The shoe is ultra flexible and responsive for the support/midstance phase of your stride.

     

     

    The natural flattening of your foot and plantar flexion of the muscles in the back of your leg provides the second half of the power needed in your running gait naturally...without much aid from this shoe.

    If you’re new to barefoot running try and watch a couple of videos and let this sink in before running multiple miles in this shoe. You will get a feel for running in these shoes quickly, just don’t overdo it once it clicks!

    Uses

    The Vapor Glove 4 excels for everyday road use and well-groomed trails. You will need to be very aware if you're using these shoes on rough terrain as stepping or kicking big stones and roots can hurt.

    On the roads, I suspect outsole durability may be the factor limiting the lifespan of these shoes, but the outsole will certainly outlast the midsole foam in an average running shoe. Gym workouts and easy treadmill miles are smooth.

     

     

    Basically, I use these shoes interchangeably with my Vibram V-Alpha’s for track repeats, my local sandy running trails and generally whenever I want to be conscious of my form and mechanics.

    You will get a ton of ankle and foot strength if you use these shoes properly and I can’t recommend them enough if you’re willing to take the mileage hit to get a proper transition into barefoot running.

    For those already transitioned, definitely grab a pair of these as a closed toe go-to shoe for your runs as well as most cross-training activities.

    Pros

    • Incredibly lightweight and barely noticeable
    • Spacious room throughout the entire shoe
    • Exceptional flexibility and responsiveness
    • Resistant, dependable upper
    • Grippy soles that seem very durable

     

    Cons

    • Missing the TrailProtect from previous versions or Trail Glove series
    • Insole is integrated and not removable
    • Potentially too much space in heel/midfoot and sliding of the foot
    • Missing a heel tab to help get it on
    • Wondering if a bit more arch support could come from instep/lacing TPU overlays

    Final thoughts

    A commendable minimalist, zero-drop trainer the exceeds as at providing the right amount of protection and proprioception that is needed to run without cushy, springy midsoles.

    The shoe delivers a lot of value for its $80 price point and should last many, many miles before needing replacement. For road and light trail use it’s a gem and you could probably keep yourself out of trouble on some serious trails if you’re careful.

    This expert has been verified by RunRepeat. Reviews are neutral, unbiased and based on extensive testing.

  • 90 / 100 | Grown and Healthy | Level 1 expert

    ...a shoe that I would definitely pick as the everyday-wear, minimalist shoe.

  • 81 / 100 | OutdoorGearLab | | Level 1 expert

    Without a doubt, the Vapor Glove hits the mark for those who want to feel barefoot while still having to wear shoes.

  • 79 / 100 | OutdoorGearLab | | Level 1 expert

    If your feet are well-conditioned, strong, and ideally accustomed to a little time actually barefoot, these are likely to be a pleasing trail running shoe for smoother trails.

Become an expert

  • The Merrell Vapor Glove 4 is an update to a well-known speed training option that caters to the near-barefoot experience. This model only features a few obvious updates, though the changes aim to better the in-shoe experience and the overall quality of the build.
  • One of the minor changes is in the forefoot design as the 4th version now has a more protective toe barrier than the Vapor Glove 3. Condura® mesh serves as the outer part of the upper unit; it’s a breathable and flexible material that is touted to be more durable than regular mesh.

Merrell used the standard sizing measurements when they made the Vapor Glove 4. Runners are open to choose a pair with their usual sizing choices in mind. However, it is worth noting that being able to appreciate a precise in-shoe hug is accommodated by actual testing of the shoe or an observation of the sizing scheme from the feedback of other users.

The fit is expected to be form-fitting, especially since this product is intended to accommodate a near-barefoot performance on the road. A semi-curved shape welcomes the natural curvature of the foot while a rounded forefoot design encourages toe-splay.

The outsole unit of the Merrell Vapor Glove 4 uses the Vibram® TC5+, a layer that is tasked with becoming both the midsole and the outsole. The platform construction is cut down significantly to bring the foot as close to the asphalt as possible. The Vibram® technology is still protective against abrasion. It also doles out traction, a trait of a shoe that is highly essential for the quality of the run. TC5+ is an attribute that is used in many Merrell products like the Trail Glove line.

Traction nodes litter the surface of the external pad. These mild protrusions are designed to heighten the gripping capacity of this running shoe. The angular edges of each tread-pattern affect the steadiness and confidence of every step.

Flex grooves permit the platform to bend and move in conjunction with the foot as it transitions through the gait cycle. The flexibility also allows this shoe to be stowed away in a bag without using a lot of space.

Underfoot cushioning is not the most substantial element of the Merrell Vapor Glove 4, particularly since it is not made to exhibit the best underfoot support. Only the outsole and an integrated insole are used for the protection of the foot-pad. Optimal balance and performance are responsibilities that are transferred to the runner. Running shoes that accommodate barefoot-like adventures have such descriptions.

Proprioception is the way the foot perceives the ground and balances itself to meet the comfort and performance needs of the runner. The Vapor Glove 4’s Barefoot 2 construction, a curved platform and a cradle-like outline that mimics the foot-pad, encourages proprioception.

Condura® is the fabric that is used for the upper unit of the Merrell Vapor Glove 4. This textile is touted to maintain breathable and form-fitting support. The difference between this material and the typical mesh is the touted durability. Condura® is advertised as a sturdy layer that is resistant to abrasion and tearing.

The inner sleeve is a smooth lining that wraps the foot seamlessly. It has tiny pores which preserve the breathable aspect of the facade.

M Select™ FRESH is an antibacterial feature that graces the inner sleeve. This technology prevents odor-causing microbes from affecting the health and cleanliness of the foot-chamber.

The Hyperlock™ technology is a strip of thermoplastic polyurethane (TPU) that is printed onto the heel of the Merrell Vapor Glove 4. The purpose of this layer is to lock the foot in place and prevent accidental shoe removals.

A traditional lacing system graces this product, which makes use of flat laces that snake through fabric loops on the eyestays. These elements work together to provide a snug yet secure coverage. The isolated structures of the lace-loops are meant to prevent hot spots from cropping up with the tightening of the fit.

Comparison

Author
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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.

jens@runrepeat.com