Frame : Metal Alloy Lens Material : Polarized Polycarbonate Lens Size : 59-12-135 Frame Color : Matte Black Lens Color : Black Frame Shape : Square Aviator Widely used for both outdoor activities and for daily life too Grey Jack Sunglasses provide the best quality sunglasses and service. Their polarized lens help to restore true color. They are made with the highest quality materials Brand GREY JACK SKU GR338FA13QUVONAFAMZ-287889 Model GJ 1018