O'Neal 5 Series Squadron Helmet The O'Neal 5 Series Helmet is constructed using a lightweight polycarbonate/ABS shell and includes multiple air vents to help keep you cool and dry during those longer rides or hot summer Motos. Features: Polycarbonate/ABS shell construction Coolmax ultra-plush removable/washable padded liner keeps you cool and dry by wicking away sweat Adjustable visor design Multiple air vents help keep you cool and dry Durable multi-colored clear coated graphics Meets DOT, ECE 22-05 safety standards