LS2 Helmets FF387 8-Ball Full Face Helmet (Purple, Medium) Lightweight, aerodynamic, tricomposite fiberglass helmet shell cuts through the wind keeping the rider comfortable and resulting in less fatigue Fully adjustable flow-through ventilation to keep you cool in the heat but allow you to block the breeze when its cold The shield is optically correct and the helmet has a wide eye port for great visibility Moisture wicking liner is fully removable and washable, anti-bacterial and odor resistant so you can keep it as fresh as new Secure 'Double-D Ring'chinstrap