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. Features Contagrip® 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. ADV-C Chassis: 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. 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 material provide great durability and protection for outdoor activities. Mesh and 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, as well as breathability and durability, to upgrade the comfort and performance of our footwear. Quicklace™: Minimalistic and strong lace for one-pull tightening. Easy-on, easy-off.














