• Dual density TPU replaceable toe slider with screw-in assembly providing protective coverage around the outer toe area. • Replaceable heel slider and external side heel slider are positioned to dissipate and absorb shock and promote sliding during an accident. • Large front and rear asymmetrical accordion zones are optimized to maximize flexibility for maximum comfort and improved safety. • Micro adjustable ratchet top closure stows tab end. • Advanced synthetic forefoot lining, laminated with open cell foam for shock absorption and highly breathable lining in ankle and leg areas for comfort. • Alpinestars anatomical and replaceable countered EVA footbed provides arch support and forefoot pedal feeling. • Durable sole, designed for improved riding feel, features evenly textured rubber for consistent grip. • Inner instep speed lacing closure and unique lateral zipper offer precise and secure fit. • Alpinestars Lace-Lock System is constructed from an advanced polymer resin to guarantee a quick, precise and secure closure. • Hook and loop tap locks the zip pull close, keeping in flat and safe.