OAKLEY REPLACEMENT LENSES: Customize the look of your Flak 2.0 XL eyewear and get the best optical performance for where you use it most. These AOO9101LS Batwolf Prizm Daily Polarized lenses are official Oakley replacement lenses that fit all Flak 2.0 XL sunglasses. PATENTED HIGH DEFINITION OPTICS (HDO): All replacement lenses feature Oakley's high definition optics (HDO) which provides superior optical clarity and razor-sharp vision at every angle as well as clarity and protection against impact and UV light, filtering 100% of UVA, UVB, UVC, and harmful blue light up to 400mm. OAKLEY PRIZM DAILY POLARIZED: With Prizm Daily Polarized, dull colors become warm and rich for sharper contrast and a more pleasing, relaxing visual experience. VISIT THE OAKLEY BRAND SHOP: Click on the Oakley logo above to view the entire Oakley sunglasses and accessories assortment.