Polarized Lens Replacement for Oakley Flak Jacket XLJ Sunglass 2 Pairs Pack N1 It offers 100% UV protection & 100% polarized, easy to install Precison cut and guaranteed to fit with the original Oakley Flak Jacket XLJ frame extremely seamless Water,sweat,oil and dust resistant Reduces glare and enhances contrast perfectly The lenses will be placed in a mini size of hard case so that fully protection can be offered whenever in use or not