Roces Men's Gymnasium Inline Fitness Skates Shell: Glass Fiber Reinforced HQ Polypropylene Closure: Fast Fastening, Memory Buckle Boot: EES Easy Entry System, PAP Progressive Anatomical Padding, "Cool Breathe" Mesh Footbed: RAF - Roces Anatomical Footbed Frame: LiteDesign Magnesium Wheels: Roces 90mm 82A Bearing: ABEC 9 Spacers: Aluminum Rocker Washers: Aluminum