Eyepetizer Nakano Sunglasses pair a semi-rimless, ultra-light steel frame with a slim rectangular profile for everyday sun protection and a modern, low-profile look. Key attributes: Black | Steel | Non-polarized lenses | Includes soft case and cleaning cloth | Semi-rimless frame | Rectangle shape | Slim metal temples | Dimensions & fit: Lens size: 51 mm | Bridge: 17 mm | Temple length: 145 mm | Composition & care: Steel | Clean lenses with the included cloth and store in the supplied soft case.