Shell and Cuff: Glass Fiber Reinforced, High Quality Polypropylene; Closure: Memory Buckle, Power Strap, Fast Lacing System; Boot: EES Easy Entry System, PAP Progressive Anatomical Padding, Cool Breath Mesh, Jet Air Intakes; Footbed: Anatomical; Frame: LiteDesign Extruded Aluminum; Wheels: Roces 84mm 82A; Bearings: ABEC 7; Spacers: Aluminum; Rocker Washers: Aluminum; Axles: Hot Rod F; Stopper: Supplied with Brake