Bell Revolver Evo Modular Motorcycle Helmet (Solid Matte Black, Medium) Helmet shown with optional tinted shield. Shipswith clear shield only Lightweight Polycarbonate/ABS Shell Construction. Click Release Shield for fast, easy and tool-free shield replacement. NutraFog II anti-fog, anti-scratch and UV protected shield Velocity Flow Ventilation system with Flow Adjust. Drop-down sunshield offers "on the fly" protection from the sun. Contoured Cheek pads. Removable/washable interior Exclusive Magnefusion magnetic strap keeper. Chin Curtain to prevent cold air from entering the helmet. Padded chin strap with D-ring closure Industry-leading Five-year.DOT certified