Ray-Ban Sam Sunglasses combine clean acetate lines with an irregular geometric profile and crystal lenses for a refined everyday accessory. Key attributes: Black | Nero | Acetate | Full-rim frame | Irregular geometric shape | Shiny acetate finish | Crystal (glass) lenses | Dimensions & fit: Lens width: 54 mm, 56 mm | Lens height: 37 mm, 38 mm | Bridge: 19 mm | Temple length: 145 mm | High bridge fit | Available in two lens sizes: 54 mm and 56 mm | Composition & care: Acetate | Glass