Alpinestars - Tech 5 Boots - Blue/White

Upper constructed from innovative, abrasion-resistant microfiber with synthetic polymer on toe box Main microfiber material offers high levels of water-resistance, durability and improved weight-saving Material ensures consistent fit for long term usage and is easy to maintain and clean Redesigned instep and Achilles accordion flex zones made from lightweight microfiber for superior comfort, control and support Contoured advanced polymer core structure envelopes upper boot for structural integrity and abrasion resistance while allowing excellent levels of controlled flex Anatomically profiled, high modulus polymer shin plate for superior impact and abrasion resistance Contoured shin plate allows for greater range of fitment and features a Velcro® adjustable panel for a personalized and secure closure Medial-facing biomechanical pivot system links lower and upper parts of the boot and gives front and rear flexibility and structural support Both the inward-facing upper and lower panels are constructed from specifically formulated polymer with grip sculpture patterning for maximum contact with bike and improved abrasion resistance Rear Thermoplastic Rubber (TPR) gaiter on top of the Thermoplastic Polyurethane (TPU) calf protector gives protection and comfort Innovative buckle closure system incorporates polymer and fiberglass buckle arms and high-impact aluminum bridge closures for durability and weight-saving Buckle system features memory and a quick release/locking system with self-aligning design for easy, precise closure and improved riding performance and security All buckles are easily replaceable TPU buckle straps are ergonomically profiled to promote high levels of front flexion Innovative one-piece TPU injected dual compound foot shell with excellent impact and abrasion resistance and unmatched levels of safety Shell is reinforced by a metal shank inside and toe reinforcement co-injected in harder compound Exclusive dual compound sole is seamlessly integrated to the multi-density foot base structure with built-in support Sole offers superior durability, grip and feel while riding Sole is replaceable TPU heel patch connected with shell and lateral/medial TPU parts, offers protection and support Soft poly-foam surrounded the ankles and collar offer shock absorbing performance, plus full interior textile lining for comfort Replaceable anatomic EVA footbed with textile lining on top