LS2 FF387 Solid Full Face Motorcycle Helmet (White, Medium) Lightweight aerodynamic full 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 it's cold The optically correct shield uses LS2's Short Shift Tool-Less Quick Release System for quick shield changes Moisture wicking liner is fully removable and washable so you can keep it as fresh as new DOT approved Quick Release Strap for easy on and off