Mx boot range 2013. Sidi quality and long life in a more economic package put into a boot named after an MX1 track in Portugal. Laminated 3 mm thick Technomicro material is used as the base material. The TA sole is made of anti-skid rubber and can be replaced by a cobbler. The TA sole features excellent rear brake feel. Nylon insole - no dangerous steel shank! Removable arch support. Inner heat shield. Toe area covered in protective plastic. Rigid, shock-resistant, anatomically shaped heel for maximum protection. Replaceable micro-adjustable cam lock buckle system with memory retention straps. Cambrelle lining. All bolt-on parts are replaceable. Slim, cool non-bootie design.