Oakley Airbrake MX Replacement Lens (Dark Gray) Injection-molded Plutonite lens material provides 100% protection against ambient UVA, UVB, UVC, and harmful blue light up to 400nm Fog elimination of lens with Flow-Coat Anti-Fog coating Integrated tear-off posts for mounting of optional laminated or standard tear-offs Meets impact requirements based on ANSI Z87.1 and EN 1938:2010 standards