ACOMPATIBLE Replacement Polarized Black and Purple Lenses for Oakley Flak Jacket XLJ 2 Pair Replacement Lenses Black and Purple Mirror Coating. This Lenses Only Fit Oakley Flak Jacket XLJ 100% Polarized and 100% UV Protection on all lenses Water and Dust Resistant Precision Cut and Guaranteed to Fit Reduces glare and enhances contrast perfectly