TONIC SHIMMER MATTE BLACK PHOTOCHROMIC GREY GLASSThe Shimmer range triumphs over other polarised eyewear in the market. A classic design pioneered over 30 years ago. These frames will reduce side glare and increase clarity with a sweeping field of vision to ensure that you never miss a moment in the great outdoors. Frame: Matte Black Lens: Glass Grey Photochromic TONIC Glass Photochromic Lenses, Copper or Grey, darken and lighten depending on ambient light conditions. These lenses have been designed