2 Pairs Polarized Replacement Lenses Red & Black Mirror for Oakley M Frame Strike, New (1999) Sunglasses 2 Pairs of lenses replacements - red mirror coatings & black mirror coatings Precison cut and guaranteed to fit with the original Oakley M Frame Strike, New (1999) 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