With high-impact resistance that makes you invincible, this landmark of technology is the first even MX design with a lens of pure Plutonite™. It s the new standard of protection & it lets you take the adapt-&-conquer approach with Oakley Switchlock™ Technology, the secret to fast & easy lens changing. The view is wide open, the comfort is beyond reason & the performance leaves other goggles scrambling for second place. Features O Matter® shell construction with a durable O Matter® outer layer with a smooth thermoplastic urethane faceplate that conforms to your facial contours Switchlock double mechanism for a secure fit of the lenses Robust belt holders made from O Matter® of the goggles ensure balanced pressure distribution Two ventilation openings on the top of the housing for a cooling airflow inside the helmet Compact frame design for an extended field of view & better compatibility with helmets All-day wearing comfort thanks to fast-drying O-Hydrolix triple-layer foam with ultra quick-drying fleece coating Reduced glare thanks to textured matt black surface on the inside of the frame Microcellular urethane seal to protect against dust & moisture Dual adjustable strap with silicone coating for a flexible, secure fit Fully integrated race-worthy roll-off system with high coating film for an extended field of view in mud & slush (optional) 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 & 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 & harmful blue light up to 400 nm.