Aerodynamic shell design creates a quiet and stable ride, Scratch resistant, polycarbonate anti-fog shield, Drop down sun visor makes the helmet versatile in all lighting conditions, Intake and exhaust vents engineered for ultimate temperature regulation, Chin vent design improves interior airflow and reduces shield fogging, Fully removable, polyester moisture wicking liner and cheek pads, Injection molded polycarbonate shell, Dual density EPS foam