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)