ReVive Optics HJKX11-P-BK Replacement Lens For Oakley Half Jacket XLJ (Polarized Black) One pair of replacement lenses in Polarized Black for Oakley Half Jacket XLJ Sunglass cleaning/storage bag included 100 percent Polarized lenses reduces glare, enhance contrast, and provide 100 percent UV protection 8 percent light transmission - neutral view tint Impact resistant exceeds ANSI Z80.3 and EN 1836:2005 standards