After years of rigorous development & professional athlete testing, Thor is proud to introduce the premier radial motocross boot. The concept was simple, a high quality boot with premium materials & performance at a price a serious rider can afford. The Radial boot is now ready for use in the motocross masses. Features Pre-curved injection molded components throughout Radial hinge component adds structure & reduces over extension Injection molded positive-lock buckle system Adjustable straps allow for a custom & secure fit Injection molded medial abrasion plate with integrated shift protection Fully synthetic calf overlays deliver premium durability & optimal grip Low profile toe box for unhindered shifting Uni-directional outsole with steel shank for rigidity Replaceable outsole inserts for extended wear Mesh liner promotes airflow while interior EVA panels enhance comfort Tested & certified to standard EN 13634: 2017