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. Best for: Single day routes, Hiking, Alpine terrain, Mixed terrain. Height: Low. Foot protection: High. Foot support: Stable. Lacing system: Quicklace®. 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 ChassisTM 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. Materials. Lining: Textile. Colour: black