The Spy Marauder men’s ski goggles feature a cylindrical lens that prevents fogging thanks to the Rise venting system. With anti-fogging and anti-scratch coatings, as well as a Venturi effect to evacuate hot air quickly.   Sold with 2 interchangeable lenses (category 3 and 1), allowing you to adapt to ambient light changes in a few seconds and keep a clear vision no matter the conditions. This OTG model can be worn with prescription glasses. These goggles are also compatible with helmets.  Features of the Spy Marauder:  Medium/Wide fit ACR double cylindrical lens: better clarity  Deadbolt magnetic lens change system (easy to use) Flexible and durable polyurethane frame Isotron triple layer face foam for better comfort Dri-Force padding: moisture wicking and sweat absorption  Rise venting system: sucks hot air behind the lens Anti-scratch coating for better impact protection 45 mm strap with silicone for better grip on helmet Compatible with ski helmets Compatible with prescription glasses 100 % UV protection against harmful high-altitude light Dimensions: 174 mm (width) / 97 mm (height) Goggles Spy ---Marauder Spy + Chris Rasman Happy Boost Bronze Black Spectra + Happy Boost Low Light Red Coral