Design: Shell: Glass Fiber Reinforced HQ Polypropylene Closure: Fast Fastening, Memory Buckle Footbed: RAF - Roces Anatomical Footbed Frame: LiteDesign Magnesium Wheels: Roces 90 mm 82A Bearing: ABEC 9 Spacers: Aluminium In-Shoe Comfort: Boot: EES Easy Entry System, PAP Progressive Anatomical Padding Ventilation: "Cool Breath" Mesh & Jet Intakes Additional Details: Women size: Order 2 down (ex: 7 men is equivalent to 9 women) 2 Year Limited Warranty