Get ready to power through uphills & descents with the updated X ULTRA 4 GORE-TEX. It is as agile as a trail-running shoe but with all the stability, grip & 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. Benefits 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 ContagripA(R) MA outsole grabs the terrain, even when it&&';;s wet or slippery, giving you more control especially on descents. Features -ContagripA(R) MA is built for the widest variety of surfaces. It balances both the geometry and the rubber compound to deliver confidence on wet, dry, hard or loose surfaces, and offer long-term durability. -Keeping outer ankle articulations safe and protected, this chassis brings extra stability while leaving the front of the shoe soft and flexible to move freely with a fluid stride. -These mobile wings help hold the foot in place and accompany its movement, adapting to its shape and volume. -Lug design with deep penetration and multi-directional grip, improving traction on soft surfaces like mud or loose dirt. -A high performance EVA foam that provides shock attenuation. -Synthetic upper material provide great durability and protection for outdoor activities. -A special treatment is applied to provide extra protection, ensuring that the fabric does not absorb water during light rain and showers. -A soft, breathable lining for extreme comfort. -The tongue is connected to the upper on both sides, preventing debris from entering the shoe, and keeping the tongue centered. -Provides easy storage for the Quicklace(TM) lacing system. -SensiFit(TM) cradles the foot from the midsole to the lacing system, providing a secure, snug, and virtually customized fit all around the foot. -Stitch-free upper construction provides a smooth, glove-like, fit and feel. -A wrap of leather, synthetic or rubber around the base of the foot that protects the lateral and medial sides of the foot. -Molded to match the contours of your foot, this OrthoLiteA(R) insole provides superior cushioning, as well as breathability and durability, to upgrade the comfort and performance of our footwear. -Minimalistic and strong lace for one-pull tightening. Easy-on, easy-off. -GORE-TEX keeps your feet dry -from the outside as well as from the inside. -To help reduce our impact on the environment, no harmful PFC (Perfluorocarbons) are used to ensure the water repellency of our shoes. Our waterproof GORE-TEX models are free from PFCec (Perfluorocarbons of environmental concern) but may contain some PFC.