Designed for the ultimate adventure riders, the Hyperion features a full carbon fiber shell with a moisture-wicking, dual-density EPS impact liner.Injection-molded ABS shellDual density EPS impact liner2 Shell sizes, 3 EPS sizesMoisture-wicking removable linerEmergency release cheek padsAdjustable visorRemovable shieldHigh airflow ventilation syetem with four intake and four exhaust ventsCloseable intake ventsMeets DOT and ECE 22.05 certification standards.