LS2 Helmets FF386 Solid Modular Helmet (Hi-Vis Yellow, Large) Lightweight, aerodynamic, HTPP composite 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 Radial Tool-less Quick Release equipped face shield is optically correct and the helmet has a wide eye port for great visibility. Liner is fully removable and washable, bacteria and odor resistant so you can keep it as fresh as new Secure 'Double-D Ring'chinstrap