The gravel shoe market is growing rapidly. Producers are trying harder than ever to combine the comfort of road shoes with the off-road traction needed. The Salomon Aero Glide 4 GRVL is one such offering. Based on the Aero Glide model, it features a Gravel ContaGRIP midsole designed for gravel and forest trails. Its high midsole, responsive foam, and distinctive rocker ensure a smooth ride during long training sessions, even when the hard surface ends.
Basic info
Tech specs
Purpose
The Salomon Aero Glide GRVL 4 is a highly cushioned running shoe designed for versatility between urban and suburban running. It performs equally well on city streets and on light terrain. It’s ideal for runners who log miles on city sidewalks one day and head out onto gravel trails the next. The Aero Glide GRVL makes the transition from one surface to another smooth.
Pros
- maximum cushioning and comfort,
- superior ground isolation,
- versatility on mixed surfaces,
- versatile outsole with 2.5-millimeter lugs,
- secure foot support.
Cons
- fairly snug fit,
- limited traction on wet or loose surfaces.
What’s New in the Latest Edition
| AERO GLIDE GRVL 4 | AERO GLIDE GRVL 3 | |
|---|---|---|
| Stack height | 41/33mm | 40/32mm |
| Drop | 8mm | 8mm |
| Weight men’s | 270g | 275g |
| Weight women’s | 230g | 235g |
| Upper | Inside-Out, Quicklace Neo lacing system | Technical mesh, classic lacing |
| Midsole | optiFOAM² | EnergyFoam |
| Outsole | Gravel Contagrip, 2,5 mm | Gravel Contagrip, 2 mm |
Salomon Running Shoes – lineup
Salomon’s lineup of shoes for hard surfaces isn’t very extensive, but it’s well-organized. The Aero Glide line is the most cushioned running series in the brand’s catalog. It includes the classic, highly cushioned road model, the Aero Glide, and its gravel variant – the Aero Glide GRVL – designed for gravel and mixed surfaces. In fact, the Aero Glide GRVL isn’t the only shoe in this line – the brand’s lineup also includes models with less cushioning.
| ROAD | GRAVEL | |
|---|---|---|
| maximum cushioning |  Aero Glide 4 |  Aero Glide 4 GRVL |
| very high cushioning |  Aero Blaze 3 |  Aero Blaze 3 GRVL |
| high cushioning |  DRX Defy GRVL |
Similar to Salomon Aero Glide 4 GRVL
The gravel shoe market is still young but growing rapidly. Designed to bridge the gap between classic road models and full-fledged trail shoes, these shoes offer the best of both worlds. In terms of construction, they resemble urban shoes in that they offer high cushioning and a smooth roll. However, they also feature a more trail-oriented midsole that performs better on loose surfaces. However, it’s important to note that these models aren’t designed for technical mountain trails. They lack an aggressive outsole, stronger stability, and more robust foot protection for those types of trails.
| MODEL | STACK HEIGHT (mm) | DROP (mm) | WEIGHT MEN'S (grams) | WEIGHT WOMEN'S (grams) | REGULAR PRICE (€) |
|---|---|---|---|---|---|
| Hoka Challenger 8 | 42/34 | 8 | 275 | 245 | 150 |
| Nike Pegasus Trail 5 | 37/27,5 | 9,5 | 300 | 243 | 140 |
| On Cloudvista 2 | 44/39 | 7 | 280 | 235 | 160 |
| On Cloudsurfer Trail | n/a | 7 | n/a | n/a | 170 |
| Salomon Aero Glide 4 GRVL | 41/33 | 8 | 270 | 230 | 160 |
Plenty of Foam, Plenty of Comfort – Midsole Character
The Aero Glide 4 GRVL’s midsole is made from a single piece of optiFOAM² foam. This soft, springy foam is made from eTPU and provides a distinct sense of comfort underfoot. The shoe effectively isolates the foot from the ground, offering a high level of cushioning while maintaining stiffness throughout its construction. As a result, it performs well for heavier runners, including those weighing over 90 kg, as well as for those doing long workouts and covering high mileage.
As befits a shoe with a maximum level of cushioning, there is a significant amount of foam. Under the heel, there is approximately 41 mm of foam, and under the forefoot, there is 33 mm. These values are characteristic of shoes with maximum cushioning. More material underfoot provides better protection with every step, especially during long runs. At the same time, the midsole is shaped correctly – its sides are slightly raised, and the rear section is slightly widened. This shape provides adequate stability at this level of cushioning. This applies to stability on both city streets and forest trails.
Despite all this softness, a touch of dynamism has been preserved. This is thanks to the distinctive Reverse Camber profile. The subtly rounded midsole facilitates a smooth transition of the foot from heel to toe, lending fluidity to the entire construction. It provides a gentle forward impulse, helping both during an easy run and at a slightly higher pace. However, the profile is moderate and doesn’t force anything. Some runners may not even consciously feel its effect.
Gravel ContaGRIP – Built for Road and Trail
The Aero Glide 4 GRVL’s midsole uses a Gravel ContaGRIP compound designed for running on hard, mixed surfaces. It is quite a compromise. On the one hand, the surface is relatively smooth and hard, improving durability on hard urban surfaces. On the other hand, the outsole has a depth of about 2.5 mm, providing traction outside the city. The small, densely spaced lugs provide good traction on gravel and compacted soil. At the same time, they don’t create a “trail braking” sensation on hard surfaces.
This construction makes the shoe ideal for gravel roads, forest trails, and easy, nontechnical paths. While it lacks aggressiveness on technical mountain trails, it performs very predictably and effectively in its natural environment – on gravel and compacted forest roads.
3D Mesh, SensiFit, EndoFit – Upper Construction Explained
The Aero Glide GRVL 4’s upper features an innovative Inside-Out construction made of seamless, medium-density 3D mesh. This lightweight technology has no external seams or layers, and all fit-enhancing elements, such as SensiFit and EndoFit, are hidden inside. The highly breathable, flexible material conforms well to the foot.
The forefoot has a moderately large toe box. The width of the upper at its widest point is 103.4 millimeters. This measurement is smaller than that of the previous model and smaller than the average for running shoes in my size. Additionally, the internal SensiFit and EndoFit systems, along with the quick-lacing system, make these shoes ill-suited for those who prefer plenty of room. Runners with wide feet are also unlikely to find them comfortable. However, they will provide a nice, secure fit for those with narrow or standard-width feet.
It’s worth taking a moment to examine the lacing system. It’s an evolution of the well-known Quicklace system and features an ultralight, flexible Kevlar-reinforced cord and a simple clamping mechanism. The Aero Glide 4 GRVL features a newer version of this system: QuickLace Neo. This system integrates better with the upper thanks to its inside-out construction, and the cord pocket has been moved closer to the foot. In practice, this means less resistance while running and easier removal of sand or small debris.
Operation remains very simple. With a single motion, the cord tightens the upper evenly along the entire length of the foot and locks into place automatically. There’s no need to tie knots, and the fit won’t loosen while running.
The rear features a classic construction with a stiffened heel counter. Inside the heel counter is a wedge-shaped clip that limits excessive ankle roll. The moderately high and stiff heel counter provides a fairly secure heel hold. It is finished with a moderate but sufficient amount of foam. This heel counter is very similar to that of the Aero Glide 4, which is designed for the road. However, the GRVL version brings that same level of urban comfort to gravel and light trail paths.
Not the Lightest, Still Balanced – Weight and Ride
According to the manufacturer’s data, the men’s version of the Aero Glide 4 GRVL weighs approximately 270 grams, and the women’s version weighs approximately 230 grams. These weights refer to sizes around EU 42 for men and EU 36 for women. For size US 12, the weight is 332 grams, placing this model slightly above average for all running shoes, both road and trail. Its weight – or rather, its lightness – is nothing to get excited about. It weighs exactly what it should.
Final Thoughts
The Salomon Aero Glide 4 GRVL is a prime example of the maturation of the gravel shoe segment. Retaining all the strengths of the previous version – high comfort, ample cushioning, and versatility – this model features a more refined construction. New foam, an improved upper, and a slightly deeper outsole effectively bridge the gap between hard surfaces and light terrain. Rather than trying to be a trail runner, this shoe consistently fulfills its role as an everyday running shoe for mixed surfaces. In practice, this results in a solid, predictable, and simply “cool” running shoe, especially for those who cover most of their miles on non-technical terrain but don’t want to limit themselves to hard surfaces.
