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 and it lets you take the adapt-and-conquer approach with Oakley Switchlock™ Technology, the secret to fast and easy lens changing. The view is wide open, the comfort is beyond reason and the performance leaves other goggles scrambling for second place. Available with Prizm&tradel Lens Technology (as accessory lens option) - engineered to enhance contrast so you can see more detail in terrain across a variety of light conditions. Switchlock® Lens Change Technology for fast and easy lens interchangeability. Injection-molded Plutonite® High-Impact lens material provides 100% protection against UVA / UVB / UVC and harmful blue light up to 400 nm. Optically correct lens with F3 Anti-fog coating.