Advanced thermo-poly alloy (A.T.P.A) shell. AirStrike direct course ventilation system. Lockdown shield lock security system. DVD drop visor design.. Optically correct and anti-scratch face shield with optimum closure. Removable, washable, moisture-wicking and hypoallergenic liner. Glasses compatible. Additional iridium visor included. Meets or exceeds DOT and ECE 22-05 standards.