ACOMPATIBLE Replacement Titanium Polarized Lenses for Oakley Flak Jacket XLJ 1 Pair Replacement Lenses Titanium. This Lenses Only Fit Oakley Flak Jacket XLJ 100% Polarized and 100% UV Protection on all lenses. Reduces glare and enhances contrast perfectly Water and Dust Resistant Precision Cut and Guaranteed to Fit Titanium Mirror Coating (Compare to Oakley Chrome Iridium). 18% Light Transmission - Neutral View Tint