Injection-molded polycarbonate shell. Closable chin and top vents, along with rear exhaust vent, allow increased airflow. Easy to remove, scratch-resistant polycarbonate face shield. Drop-down rigid sun visor is easy to operate using side-mounted lever. Fully removable moisture-wicking polyester helmet liner and cheek pads. Optional breath box, dual shield and electric shield allow you to convert the helmet for all-season use (sold separately)