alpinestars boots tech 5 boots - dirt bike

• Upper constructed from innovative and lightweight microfiber material with action leather on toe box • Redesigned instep and Achilles accordion flex zones • Contoured TPU calf protector plate, TPU higher medial protector and TPU outer lateral ankle • Injected TPU shin plate connected with the TPU medial protector panel • Hook-and-loop upper closure and TPR flap for broad-ranging calf fit adjustment and support • TPU higher medial protector is designed with technical texture for improved grip • Bio-mechanical pivot • Ergonomic TPU triple buckle straps • Incorporates innovative one-piece TPU injected dual-compound foot shell, reinforced by a metal shank inside and co-injected toe reinforcement • TPU heel patch connected with shell and lateral/medial TPU sections • Extended PU synthetic gaiter helps seal out excessive water and dirt entry • Soft polyfoam surrounds the ankles and collar • Full inner textile lining • Closure system includes four polymer buckles with an innovative closure system that includes a ratchet with memory and a quick-release/locking system with self-aligning design for precise closure; all buckles are replaceable • Replaceable anatomic EVA footbed with textile lining on top • High-grip rubber compound outsole • Sole is replaceable