Get ready to power through uphills and descents with the updated X ULTRA 4. It is as agile as a trail-running shoe but with all the stability and grip you need to tackle technical terrain. Equipped with a new chassis, the shoe is even better at protecting sensitive articulations without compromising freedom of movement.
Trail-inspired agility
Drawing on our trail-running expertise, this shoe is lighter and more agile, so you stay nimble on uneven terrain.
Enhanced stability
The new ADV-C Chassis targets articulations on the outer foot to optimize stability without limiting your mobility.
All-terrain grip
The Contagrip MA outsole grabs the terrain, even when its wet or slippery, giving you more control especially on descents.
All Terrain Contagrip
Our All Terrain Contagrip is built for the widest variety of surfaces. It delivers durability & confidence on wet, dry, hard or loose surfaces.
Advanced Chassis
Advanced Chassis is a molded insert embedded in the outsole. Providing strong lateral support and reassuring protection, it also delivers optimal mobility and flexibility.
SensiFit
SensiFit cradles the foot from the midsole to the lacing system, providing a secure, snug, and virtually customized fit all around the foot.
Chevron lugs
Lug design with deep penetration and multi-directional grip, improving traction on soft surfaces like mud or loose dirt.
Anti-debris Mesh
Tight mesh that prevents debris from being trapped between your foot and the footbed.
Synthetic upper
Synthetic upper material provide great durability and protection for outdoor activities.
Textile lining
A soft, breathable lining for extreme comfort.
Lace pocket
Provides easy storage for the Quicklace lacing system.
Welded upper
Stitch-free upper construction provides a smooth, glove-like, fit and feel.
Protective mudguard
A wrap of leather, synthetic or rubber around the base of the foot that protects the lateral and medial sides of the foot.
Molded OrthoLite sockliner
Molded to match the contours of your foot, this OrthoLite insole provides superior cushioning, breathability and durability, to upgrade the comfort and performance of your shoe.
Quicklace
Minimalistic and strong lace for one-pull tightening. Easy-on, easy-off.
Our All Terrain Contagrip is built for the widest variety of surfaces. It delivers durability & confidence on wet, dry, hard or loose surfaces.
Advanced Chassis
Advanced Chassis is a molded insert embedded in the outsole. Providing strong lateral support and reassuring protection, it also delivers optimal mobility and flexibility.
SensiFit
SensiFit cradles the foot from the midsole to the lacing system, providing a secure, snug, and virtually customized fit all around the foot.
Chevron lugs
Lug design with deep penetration and multi-directional grip, improving traction on soft surfaces like mud or loose dirt.
Anti-debris Mesh
Tight mesh that prevents debris from being trapped between your foot and the footbed.
Synthetic upper
Synthetic upper material provide great durability and protection for outdoor activities.
Textile lining
A soft, breathable lining for extreme comfort.
Lace pocket
Provides easy storage for the Quicklace lacing system.
Welded upper
Stitch-free upper construction provides a smooth, glove-like, fit and feel.
Protective mudguard
A wrap of leather, synthetic or rubber around the base of the foot that protects the lateral and medial sides of the foot.
Molded OrthoLite sockliner
Molded to match the contours of your foot, this OrthoLite insole provides superior cushioning, breathability and durability, to upgrade the comfort and performance of your shoe.
Quicklace
Minimalistic and strong lace for one-pull tightening. Easy-on, easy-off.
