alpinestars boots adult tech-t boots - dirt bike

• Upper constructed from a combination of full-grain leather and innovative microfiber for durability and abrasion resistance • Extended front and rear accordion stretch zones for improved flex, control and support • Double-density Thermoplastic polyurethane (TPU) ankle protector disks are layered under the upper and backed by poly-foam padding • Ergonomically contoured shin plate is injected with high-modulus TPU for a high-level impact- and abrasion-resistance • Wide entry aperture for convenience with hook-and-loop upper closure TPR flap to allow broad-ranging calf fit adjustment and support • 3D mesh textile with open cell foam for improved air circulation and comfort • Extended Polyurethane (PU) synthetic gaiter helps seal out excessive water and dirt entry • Soft poly foam reinforcement on ankles and collar for long-lasting comfort and shock absorption • Three buckles closure system with memory, featuring an integrated quick-release/locking system closure • Buckles are injected with high-impact-resistant techno polymer • Internal toe box and heel counter protection is layered under the upper for durability • Leather shift pad for abrasion resistance and structural protection • Polymer insole with integrated steel shank reinforcement for structure and support to the arch area • Exclusive compound rubber sole with high grip, rough terrain design • Outsole is replaceable • Replaceable anatomic footbed for comfort and support ensures even weight distribution