Replacement Black Lenses for Oakley Flak Jacket XLJ Sunglasses With Polarized (Not Fit Flak Jacket) 100% Polarized and 100% UV Protection on all lenses Precision Cut and Guaranteed to Fit Reduces glare and enhances contrast perfectly Suitable for cycling, running, driving and other out-door sports and activities This Lenses Only Fit Oakley Flak Jacket XLJ Sunglasses, Not Fit Flak Jacket.