Features: DOT and ECE22.06 approved for all regions Durable and lightweight polymer shell Dual-density EPS (Expanded Polystyrene) liner Custom-molded rubber trim with integrated nose guard 4 shells and 4 EPS sizes provide a precise fit 1450 +/- 50g (Size L) Removable and washable comfort liner and cheek pads absorb sweat while providing ventilation True Functional Ventilation (TFV) - When in motion, air is forced through multiple air intake vents, then passed through aligned vent Included soft fleece helmet bag