This updated X ULTRA 4 GORE-TEX model is capable of powering through elevated and decreased terrain, providing stability, traction and a waterproof construction, all while maintaining the agility of a trail-running shoe. Its advanced chassis safeguards vulnerable joints without limiting mobility.

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 Advanced Chassis™ targets articulations on the outer foot to optimize stability without limiting your mobility.
All-terrain grip
The All Terrain Contagrip® outsole grabs the terrain, even when it’s wet or slippery, giving you more control especially on descents.

Features:

• OUTSOLE: 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.
• CHASSIS: 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.
• UPPER CONSTRUCTION: Active Support - These mobile wings help hold the foot in place and accompany its movement, adapting to its shape and volume.
• OUTSOLE: Chevron lugs - Lug design with deep penetration and multi-directional grip, improving traction on soft surfaces like mud or loose dirt.
• MIDSOLE: EnergyCell - A high performance EVA foam that provides shock attenuation.
• UPPER MATERIAL: Synthetic upper - Synthetic upper material provide great durability and protection for outdoor activities.
• UPPER MATERIAL: Water Repellent - A special treatment is applied to provide extra protection, ensuring that the fabric does not absorb water during light rain and showers.
• LINING MATERIAL: Textile lining - A soft, breathable lining for extreme comfort.
• UPPER CONSTRUCTION: Gusseted tongue - The tongue is connected to the upper on both sides, preventing debris from entering the shoe, and keeping the tongue centered.
• UPPER CONSTRUCTION: Lace pocket - Provides easy storage for the Quicklace™ lacing system.
• UPPER CONSTRUCTION: SensiFit™ - SensiFit™ cradles the foot from the midsole to the lacing system, providing a secure, snug, and virtually customized fit all around the foot.
• UPPER CONSTRUCTION: Welded upper - Stitch-free upper construction provides a smooth, glove-like, fit and feel.
• UPPER CONSTRUCTION: 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.
• SOCKLINER: 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.
• LACING SYSTEM: Quicklace™ - Minimalistic and strong lace for one-pull tightening. Easy-on, easy-off.
• MEMBRANE: GORE-TEX - GORE-TEX keeps your feet dry -from the outside as well as from the inside.
• SUSTAINABILITY: PFC free - To help reduce our impact on the environment, no harmful PFC are used to ensure the water repellency of our shoes. Our waterproof GORE-TEX models are free from PFCec .
• UPPER CONSTRUCTION - Protective toecap
• Drop 11mm
• Weight 390g