Replacement Sunglasses Lenses for Oakley Flak Jacket XLJ With Polarized (Black) This Lenses Only Fit Oakley Flak Jacket XLJ Sunglasses Precision Cut and Guaranteed to Fit Reduces glare and enhances contrast perfectly Suitable for cycling, running, driving and other out-door sports and activities 100% Polarized and 100% UV Protection on all lenses