A.T.P.A. Advanced Thermo-Poly Alloy Shell** Meets Or Exceeds DOT Standards Removable, washable and moisture wicking liner Lock 'n Load rapid Conversion Shield replacement system Air Strike Direct Course Ventilation System Double 'D' D-Ring Retention System Lockdown Shield Security System All Clear! Sight System optically correct, anti-scratch, anti-fog and UV resistant face shield Clear shield included (tinted shields are sold separately)