Walleva Replacement Lenses for Oakley Crankshaft Sunglasses - Multiple Options Available Fit For: Oakley Crankshaft (OO9239 Series) 100%Polarized(ForPolarizedLensesOnly,ReducesGlareandEnhancesContrast),100%UVProtection(ExceedsANSIZ80.3andEN1836:2005Standards) 16%LightTransmission,12%-40%(ForPhotochromicLenses),99%(ForClearLenses),75%(ForYellowLenses), 36%(ForPinkLenses) Impact Resistant - Passed FDA Drop Ball Test and Z87.1 Test (ImpactResistant-PassedFDADropBallTestandZ87.1Test(ForMr. ShieldPolarizedLensesandNon-PolarizedLenses) WallevaRepelCoating(RepelsDustandWater)