The Alpinestars Tech 5 Boots feature an upper constructed from innovative and light microfiber material with action leather on toe box. A redesigned instep and achilles accordion flex zones demand even more comfort while contoured TPU calf protector plate, TPU higher medial protector and TPU outer lateral ankle provide protection and stability. For additional bash-resistance, an injected TPU shin plate is connected with the TPU medial protector panel. Velcro upper closure, plus TPR flap provides for a broad ranging calf fit adjustment and support. The TPU higher medial protector is designed with technical texture for improved grip. Key Features Bio-mechanical pivot Ergonomic TPU triple buckle straps 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 poly foam surrounds the ankles and collar Entire textile lining Closure system includes 4 polymer buckles with an innovative closure system Closure includes a ratchet with memory and a quick release/locking system with self-aligning design for precise closure; the all buckles are replaceable Replaceable anatomic EVA footbed with textile lining on top Exclusive high grip rubber compound outsole The sole is replaceable CE certified Size Chart: Euro US 38 5 39 6 40.5 7 42 8 43 9 44.5 10 45.5 11 47 12 48 13 49.5 14 51 15
