One size does not fit all, so Oakley has expanded the popular Flight Deck family with a mid-sized fit. Inspired by the helmet visors of fighter pilots, Flight Deck XM maximizes your field of view so you won’t miss a single target of opportunity. It was engineered for seamless compatibility, giving you the flexibility to choose the helmet that fits your style. Designed with Oakley’s Ridgelock Technology, changing lenses is quick and easy while still allowing for a complete lens seal to prevent harsh conditions from penetrating into your goggle. Features Reduced frame design for an extended field of view and optimal helmet compatibility Flexible O MATTER frame with special belt suspension for quick belt replacement All-day wearing comfort thanks to quick-drying, three-layer polar fleece foam adjustable headband with silicone coating for a secure fit Plutonite discs with 100% filtering efficiency of all UVA/UVB/UVC rays and harmful blue light Balanced light transmission thanks to IRIDIUM coating No haze thanks to ventilated double panes with F3 anti-fog technology Quick and easy glass replacement thanks to interchangeable glass system extra large lens volume for optimal peripheral vision PRIZM™ Prizm™ is a revolution in lens optics built on decades of color science research. Prizm™ lenses provide unprecedented control of light transmission resulting in colors precisely tuned to maximize contrast and enhance visibility. All Oakley lenses offer HDO® Technology with the following benefits Clarity: Conventional lenses can magnify images. HDO® precision gives less distorted vision across the entire field of view. Refraction: With regular lenses, objects aren’t really where you see them. HDO® offers a truer visual image so your brain won’t have to work overtime. UV Protection: All Oakley lenses block 100% of UVA, UVB & UVC rays and harmful blue light up to 400 nm.