Lenses Replacement Polarized Stealth Black for Oakley M Frame Strike, (1999) Sunglasses It offers 100% UV protection & 100% polarized, easy to install 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