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 Features High Impact Plutonite Lens with F3 Anti-Fog coating Switch-Lock Lens Technology for fast and easy lens changing Outrigger System for Balanced Fit Injection Molded Polycarbonate under extreme pressure to create a precise contour of optically correct geometry Frame is composed of ultra-strong, yet lightweight, O Matter™ combined with flexible urethane Triple-layer face foam fleece to wick away sweat High Definition Optics® Lenses 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.