ECE/DOT Certification. Poly-Allow shell. Streamline, lightweight designed shell for reduced turbulence and premium venting. 2 shell sizes and 3 EPS for premium safety and comfort. 3 piece EPS for added safety and comfort. Inner sun lens with easy function that positions in full open and full closed. Compression shield ratchet is used for maximum seal reducing wind noise and cold air. Tool-less shield removal. Optional shields are anti-fog, anti-scratch and UV 400 rated. EPS liner, Coolmax interior materials and venting all designed together to provide maximum controlled venting and comfort. State of the art exterior vents designed for easy use and maximum intake and exhaust.