The 10 Series helmets from O'NEAL feature a fiberglass construction with a shell weight of only 1150g (size M). The 10 Series helmets have maximum airflow throughout the helmet delivered by oversized vents and custom CNC calculated EPS channels allowing air to flow where it is needed most. Coolmax liner – Ultra-plush, removable/washable padded liner keeps you cool and dry by wicking away sweat, Rubber roost nose guard, Removable mouthpiece for easy cleaning, Durable multi-colored, clear-coated graphics, Meets standards: DOT FMVSS 218, ECE 22-05, AS/NZS and ACU, Side goggle traction pad keeps goggle strap securely in place, High air intake mouth vent with screen lets air in while keeping debris out and Replacement liners, cheek pads and visors available