ReVive Optics BAT1-P-BK Replacement Lens For Oakley Batwolf  (Polarized Black) One replacement lens in Polarized Black for Oakley Batwolf 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