Recommended for newcomers to trail running who often face rain. The 8mm drop is beginner-friendly with a smooth transition. Start by building 15-25km of weekly trail volume on hardpack and gentle gravel climbs, then progress gradually rather than tackling slick, steep terrain first.
Salomon AERO BLAZE 4 GRVL GTX
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Basic Information
Brand
Salomon
Model
AERO BLAZE 4 GRVL GTX
Year
2026
Gender Version
Male
Category
Daily TrainingTrail Running
Terrain
Trail
Technical Specifications
Midsole Technology
The midsole uses optiFOAM² foam, Salomon's cushioning compound tuned for trail running, balancing rebound and durability while staying stable on uneven gravel and dirt.
Carbon Plate Structure
No carbon plate. This is a waterproof trail trainer, so cushioning comes from the optiFOAM² foam itself rather than a propulsive plate, giving a natural ride that suits any stride.
Upper Material
The upper is a GORE-TEX waterproof engineered mesh that keeps feet dry in wet, rainy conditions while offering breathability and secure foothold. This is the key difference from the non-GTX version.
Outsole Configuration
The outsole is Gravel Contagrip®, using 2.5mm lugs designed for gravel, hardpack and mixed terrain, with grip and durability suited to short and mid-distance trails.
Forefoot Thickness
29.0mm
Heel Thickness
37.0mm
Drop
8mm
Weight
239g
Wearing Experience
Fit
Comfortable
Breathability
(4/5)
Stability
Normal
Cushion Distribution
Heel Biased
Feel Attribute
Medium-firm underfoot. Comfortable for daily trail training yet supportive over long distances, without going so soft that ground feel disappears.
The Salomon AERO BLAZE 4 GRVL GTX is the waterproof version of the AERO BLAZE 4 GRVL, built for trail training in wet and rainy conditions. The GORE-TEX upper makes it far more practical than the non-waterproof model on rain, mud and slick forest paths, and it is actually lighter at just 239g versus 254g for the standard version. The optiFOAM² midsole offers medium-firm cushioning that stays stable and pace-neutral on gravel and hardpack. The Gravel Contagrip® outsole with 2.5mm lugs provides enough grip for mixed terrain. With a 37/29mm stack and an 8mm drop, the transition feels natural for most runners. Overall it is a practical, waterproof, lightweight choice for everyday trail training.