Construction Hybrid (ABS and INMOLD) Technology High Density EPS (Expanded Polystyrene) ABS and PC (polycarbonate) Shell Features • 23 Vents • Goggle Clip • Advanced Rear Dial Adjustable Fit System • Heat Sealed Removable and Washable Interior Pads • Removable and Washable Ear Pads Standards CE EN1077 / ASTM F2040 HELMET SIZE GUIDE XS 48-54CM S 54-56CM M 56-58CM L 58-60CM XL 60-62CM XXL 62-64CM