Get ready to power through uphills and descents with this mid-cut GORE-TEX version of the updated X-ULTRA 4. It is as agile as a trail-running shoe but with all the stability, grip and waterproof protection 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 agilityDrawing on our trail-running expertise, this shoe is lighter and more agile, so you stay nimble on uneven terrain. Enhanced stabilityThe new Advanced Chassis™ targets articulations on the outer foot to optimize stability without limiting your mobility, while the higher cut provides extra ankle support. All-terrain gripThe All Terrain Contagrip® outsole grabs the terrain, even when it’s wet or slippery, giving you more control especially on descents.   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: PU coated leather A polyurethane coated leather that protects it and makes it stronger to last longer. 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: 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: 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: Regular laces Traditional lacing system with eyelets. 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 .   Inlay sole: Textile /SyntheticLining: TextileOutsole: RubberUpper: PU coated leather/TextileDrop: 11 in mmHeel stack height: 31.5 mmForefoot stack height: 20.5 mmWeight: 425 gHeight: MidLacing system: Regular lacesWaterproofness: GORE-TEX