-FACTORY LITE VENT MESH: Designed to provide maximum airflow and ventilation at slower speeds to help prevent fogging and heat build-up, while also helping to prevent the entry of mud, debris, and larger objects such as rocks, into the goggle. -Rigid exoskeleton with flexible O Matter faceplate conforms to your face comfortably -Switchlock Lens Change Technology for fast and easy lens interchangeability -HIGH IMPACT PLUTONITE LENS: Provides impact protection against debris the terrain might throw at you. Oakley performance goggles meet ANSI Z87.1 and EN1938 standards. -Injection-molded Plutonite High-Impact Optically correct lens material with F3 Anti-fog coating that provides 100% protection against UVA / UVB / UVC & harmful blue light up to 400nm