2 Pairs Polarized Lenses Replacement Blue & Black Mirror for Oakley Crankcase OO9165 Sunglasses 2 Pairs of polarized lenses replacement - blue mirror coatings & black mirror coatings Precison cut and guaranteed to fit with the original Oakley Crankcase frame extremely seamless Water, sweat, oil and dust resistant Reduces glare and enhances contrast perfectly Optional mirror coatings optimize usable light for specific enviroment and activities