Alpinestars Mens Tech 7 Motocross Boots Features: Upper made of flexible microfiber for abrasion resistance. TPU shin-plate with reinforced closure for customized fit. TPU blade system prevents hyperextension. Wide entry, hook-and-loop closure for calf fit adjustments. Honeycomb TPU panel for grip and heat resistance. TPU sliding blade system supports calf flexion. Ergonomic buckle system for secure fit. TPU ankle protection for biomechanical linkage. Accordion flex zones for support and control. Metal shank-reinforced TPU toe protection. Microfiber gaiter blocks water and dirt. Polymer buckles with aluminum frames for quick, aligned closure. Breathable 3D liner with suede reinforcement. Shock-absorbing poly-foam at ankles and collar. Removable anatomical footbed. High-grip, replaceable rubber outer sole.