Not since the early days of the sport has a single goggle design brought so much innovation. Long ago, Oakley's founder developed an entirely new goggle that became a mainstay in the sport for 17 years. You are now looking at the future of MX goggles. Oakley Airbrake MX Dual Replacement Lens features: Compatible with all models of the Oakley Airbrake MX Goggles. Dual Lens design uses two lenses and puts an insulating layer of air between them. Provides the ultimate in fog protection, along with unsurpassed clarity. Injection-molded Plutonite® lens material provides 100% protection against ambient UVA, UVB, UVC, and harmful blue light up to 400 nm. Expanded lens volume for optimized peripheral vision. Fog elimination of lens with Flow-Coat Anti-Fog coating. Integrated tear-off posts for mounting of optional laminated or standard tear-offs.