With impact resistance that makes you invincible, this landmark of technology is the first ever MX design with 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 & easy lens changing. The view is wide open, the comfort is beyond reason, and the performance leaves other goggles scrambling for 2nd place •High-impact Plutonite® lens for confidence-inspiring protection •Streamlined O Matter® frame maximizes your field of view without compromising fit •Dual Switchlock Technology mechanisms make lens changes fast and easy •Adaptable face plate, outriggers and strap for complete serviceability