Inspired by the helmet visors of fighter pilots, the Oakley Flight Deck Xm Matte Black has an unrivaled field of view with a wide range of helmet compatibility. Amazing view, clear and contrasted vision - you’re set to fly fo’ sho’! Prizm Sapphire Iridium Prizm™ lenses have been engineered to reduce the need switching lenses as lighting conditions change. Prizm™ lenses provide unprecedented control of light transmission resulting in colors precisely tuned to maximize contrast and enhance visibility. The premium iridium lens coating is made with superheated metal oxides, also designed to balance light transmission and reduce glare. Engineered for bright sun, Sapphire Iridium® reduces glare and balances light transmission to help you maintain color recognition.light transmission 20 %Featuresrimless lens design for unparalleled peripheral vision in every directionlens sub-frame at tachment for fast and easy lens changingflexible O-Matter® chassis conforms to your face comfortably, even in extreme coldlens /frame support for unrestricted air flow and easy breathingrigid strap anchor plates for comfort and supportall-day comfort of triple-layer foam with moisture wicking polar fleece liningmid to large fitclear view with Oakley High Definition Optics (HDO)injection-molded Plutonite® lens material provides 100% protection against UVA / UVB / UVC & harmful blue light up to 400nmfog elimination through dual-vented lens with F3 Anti-Fog coating