BVANQ Polarized Lenses Replacement for Oakley Flak Jacket Sunglasses Black Mirror Coatings It offers 100% UV protection & 100% polarized, easy to install Precison cut and guaranteed to fit with the original Oakley Flak Jacket frame extremely seamless Optional Mirror Coatings optimize usable light for specific enviroment and activities Water,sweat,oil and dust resistant Reduces glare and enhances contrast perfectly