Coated leather and synthetic Cordura upper. New injection-molded PU ankle brace provides internal boot support and protects the heel and ankle. Internal toe counter is layered under the leather. Lacing system and adjustable hook-and-loop straps give you a custom, secure closure and fit. Midsole is injected high-modulus polypropylene and follows the shape of the foot. Midsole features a structured shank reinforcement. Inner bootie is waterproof. Flex zones in instep and Achilles give superior comfort. Anatomical footbed is removable. Multi-density EVA padding. Sole is Alpinestars exclusive vulcanized rubber compound with a unique side-wrapping design.