Aerodynamic, polycarbonate ABS molded shell design minimizes drag and wind noise at highway speeds, Scratch resistant polycarbonate anti-fog Smoke shield, Includes Clear shield for nighttime use, Fully removable moisture-wicking liner and cheek pads for comfort and easy cleaning, Closable vents at the chin, crown, and open rear exhaust for adjustable airflow, Integrated drop-down sun visor for instant glare reduction, Dual density EPS liner, Built-in speaker pockets for communication systems