FMVSS 218 DOT approved, ECE 2205 certified, with lightweight thermo-injected polycarbonate shell. Three shell sizes for an optimal external profile. Simpson “Speed ​​Brow” with low pressure Venturi effect vent. Venturi effect chin guard and central rear exhaust, ultra-wide quick release screen for maximum field of vision, 4 positions with locking function. Pinlock ready. Hypoallergenic comfort lining, completely removable/washable. Speaker cutouts for communication systems.