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 High Impact Plutonite Lens with F3 Anti-Fog coating Switch-Lock Lens Technology for fast & 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 & harmful blue light up to 400 nm.