Shell: Ventilated HQ Polypropylene; Closure: Aluminium Memory Buckle, Ankle Micrometric Buckle, Loops Lacing System * Fitting: Special Shock Absorbing Insole, Special Ankle Padding Foot bed: Anatomical, Liner: Ultra Fit Ventilated * Slo-Memory Padding; Easy Entry System * Frame: Lite Design Extruded Aluminium "2 arch design" ; Wheels: Roces 80mm 84A; Bearings: ABEC 7; Spacers: Aluminium; Axles: Zero Clearance