This stylish, medium fit frame packs many of the features of goggles that cost three-times more, including Expansion View Technology for a wide field of view, anti-fog lens coating and Seamless Compatibility with all Giro helmets. Plus, the silicone on the inside of the Cruz&';s goggle strap prevents slippage and ensures that it stays in place over your helmet or on beanie. Anti-fog coating Expansion View Technology (EXV) - creates an unparalleled field of view by engineering frameless zones to optimize a massive spherical lens and yield maxiumum peripheral vision OTG friendly Double-layer face foam with microfleece facing EXV Frame Design Cylindrical thermoformed lens: Over-the-glasses (OTG) friendly: Seamless Compatibility with all Giro helmets Seamless Compatibility with all Giro helmets