Anatomically profiled MX specific boots. MX-compatible dual-component sole. Ergonomically cut forefoot. PU reinforced upper material. Buckle closure system with high-impact aluminum bridge closures and memory settings. Stainless steel heel and toe protection. TPU ankle protection system. Abrasion-proof, impact-resistant TPU protectors on shin and calf. Exclusively for KTM by Alpinestars. Aluminum buckle system. Breathable inner lining with anti-slip microfiber insert on the heel. Breathable textile lining. Extended microfiber gaiter. Extra flat, durable and replaceable rubber sole. Innovative lateral ankle protection. Inside with patterned high-tech polymerInstep and Achilles accordion flex zones. Lightweight innovative microfiber. New closure system with aluminum buckles and aluminum frame with innovative self-alignment and quick-release buckles. Plastic-reinforced insole with hot-dip galvanized steel insert and toe reinforcement. Removable, anatomical footbed92 % Polyurethane / 6 % Rubber / 2 % Leather.