2 Pairs Polarized Lenses Replacement Blue & Black Mirror for Oakley Scalpel Sunglasses 2 Pairs of lenses replacements - black mirror coatings and blue mirror coatings Precison cut and guaranteed to fit with the original Oakley Scalpel 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