Protec Snowboard Helmet. Classic Matte Gray Snowboard Helmet from Pro-Tec. High density injection-molded ABS shell. EPS impact liner. Screened ventilation. Removable and washable interior fit pads. Detachable ear pads. Goggle clip. EN 1077B, ASTM 2040, CPSC 1203, and ASTM F1492 certification. Small: 53-54 cm. Medium: 55-56 cm. Large: 57-58 cm.