Advanced Polycarbonate shell : Lightweight, Superior fit and comfort using advanced CAD technology | Vision Plus (+10mm) Wide Shield provides enhanced visibility | Sun Visor with Wider-Vision: Better peripheral vision, helps to reduce eye strain and excellent sun light blocking with Scratchresistant | Powerful Air-flow Ventilation and Exhuast: five lower vents and top vents. Airflow flushes heat and humidity up and out | Micro Buckle: Quick-release and adjustable | Ultra-quick,simple and secure shield ratchet system | Anti-fog lens prepared shield, anti-fog lens included.