Firstgear Ajax Adventure Helmet Firstgear Ajax Adventure Helmet was designed specifically for the adventure rider. Features an injection-molded ABS shell with a moisture-wicking, dual-density EPS impact liner. This helmet meets DOT and ECE 22.05 certification standards. Features Injection-molded ABS shell Dual density EPS impact liner 2 Shell sizes, 3 EPS sizes Moisture-wicking removable liner Emergency release cheek pads Adjustable visor Separate flip-down tinted sun visor Removable shield High airflow ventilation system with four intake and four exhaust vents Closeable intake vents Meets DOT and ECE 22.05 certification standards