Design: Shell and cuff: Glass fiber reinforced High Quality polypropylene Closure: Memory buckle, Power strap, Fast lacing system Frame: Glass fiber reinforced HQ polypropylene Wheels: Roces 84mm 82A Axles: Hot Rod F Rocker Washers: Aluminium Bearings: ABEC 7 In-Shoe Comfort: Boot: EES Easy Entry System, PAP Progressive anatomical padding, Cool breath mesh Footbed Anatomical, Comfootbed Durability & Traction: Stopper: Supplied with brake Additional Details: Women size: Order 2 down (ex: 7 men is equivalent to 9 women) 2 Year Limited Warranty