Shell and cuff: Glass fiber reinforced High Quality polypropylene; Closure: Memory buckle, Power strap,Fast lacing system; Boot: "Thread" construction, EES Easy Entry System, PAP Progressive anatomical padding, Cool breath mesh, Jet air intakes; Anatomical footbed; Extruded aluminum frame; Roces 90mm 82A wheels; ABEC 9 bearings; Aluminum spacers and rocker washers; Hot RodF axles; Stopper: Supplied with brake