Official Oakley replacement lenses that fits all Flak 2. 0 XL sunglasses Prizm replacement lenses provide unprecedented control of light transmission resulting in colors precisely tuned to maximize contrast and enhance visibility with the impact resistance and 100% UV filtering of Oakley's High Definition Optics (HDO). Offical Oakley Microbag included to clean and store your Oakley replacement lenses Visit the Oakley Brand Store: Click on the Oakley logo above to view the entire Oakley brand assortment Polarization type: Non-Polarized