Troy Lee Designs Carbon Berzerk D3 Adult Bike Sports BMX Helmet - Red/Large Technologically advanced aerospace carbon / composite shell construction 14 intake ports over forehead, brow and chin areas guide airflow past riders head for maximum ventilation 6 high-flow exhaust vents release hot air ensuring an even flow of cool air throughout the helmets interior 2016 Model DOT approved. Meets the FMVSS 218 Standard