*ONEAL 1Series RC Adult MX Helmet - ECE 22.06SIZING CHART Do you need an ABS motocross helmet that you can rely on in every situation? Then the 1SRS is the right choice. With this ONEAL MX helmet, you can rely on high quality engineering, comfort, safety, and stylish design. FEATURES: Polycarbonate ABS Shell construction Helmet with 2 outer shells and 2 EPS for increased safety and perfect fit Shell weight (size large): 1500grams (50) Ultra plush, removable washable padded liner keeps you cool