Contoured calf protector plate is injected with high modulus polymer for impact resistance and incorporates Alpinestars’ developed blade flex system for greater precision control and movement, added protection for heel and Achilles tendon and helps prevent hyperflexion Internal lining includes anti-slide microfiber suede on the heel to help keep foot in position Sole and footpeg insert are replaceable Incorporating an innovative one-piece injected dual compound foot shell with co-injected hard toe protector and integrated steel shank Material ensures consistent fit even for long term usage and is easy to maintain and clean Innovative buckle closure system includes high-impact aluminum bridge closures, with memory settings and a quick release/locking system with self-aligning design for easy, precise closure and improved riding performance Extended microfiber gaiter helps prevent excessive water and dirt entry Dual compound, removable anatomic footbed includes EVA and Lycra top for comfort and support ensures even weight distribution and reinforced heel Wide entry aperture for convenience and allows broad ranging calf fit adjustment and support Redesigned instep and Achilles accordion flex zones construction for superior comfort, control and support Boot chassis designed with an ergonomically profiled forefoot and lower toe-box to provide easier shifting and improved rear brake feel and control Upper constructed from innovative microfiber material that is flexible and abrasion resistant Shell is highly resistant to abrasion and impact, adds to the boot’s overall durability and improves boot’s streamlining Soft foam reinforcement on ankles and collar for long lasting comfort and shock absorption TPU medial side panel incorporates an advanced honeycomb rubber insert and is designed for excellent grip against the bike while guarding against impact TPU shin plate and medial protection are constructed from one single part for greater structural integrity and stability Upper material is reinforced with PU (Polyurethane) for high levels of water-resistance and durability and improved weight-saving performance Dual compound sole is seamlessly integrated into the base structure for superior durability, high performing rubber grip patterning, and feel The anatomically profiled shin plate features a dual closure system with an internal microfiber flap attached with Velcro® for a precise fit closure while the rugged and durable shin plate attached securely with a precision adjustable buckle TPU (Thermoplastic Polyurethane) ankle protection system incorporating a biomechanical link between the middle and bottom sections of the boot helping prevent damage to the leg by providing progressive force relief for torsional forces
