TONIC OUTBACK MATTE BLACK PHOTOCHROMIC COPPER GLASSOutback offers a style that is both modest and extremely comfortable, suitable for all day wear in any conditions. Available in the SliceLens, Outback will cut through glare and increase clarity no matter what activity youre involved in. Frame: Matte Black Lens: Glass Copper Photochromic TONIC Glass Photochromic Lenses, Copper or Grey, darken and lighten depending on ambient light conditions. These lenses have been designed and developed to give the