Pearl Izumi - Ride Elite Softshell MT Shoe Cover 48% neoprene 24% polyester 17.5% nylon 7% polyurethane 2% spandex 1% cordura nylon .5% kevlar aramid Imported Recommended for mountain bike shoes. For X-Alp compatibility, use shoe cover that is equivalent to your X-Alp shoe plus one shoe size Softshell fabric provides optimal wind protection and water-resistance; Innovative power band secures front of shoe cover under toes Two stage hook and loop closure provides both sleek fit and easy on and off; Anatomic paneling for a performance fit Kevlar mountain bike bottom spreads open for easy on and off while providing superior durability Reflective elements for low-light visibility