Saint Laurent SL 839 Sunglasses pair a classic square acetate frame with nylon lenses for refined, everyday sunwear. Key attributes: Black | Acetate | Includes case and cleaning cloth | Square frame | Dimensions & fit: Lens width: 53 mm | Bridge: 19 mm | Temple: 145 mm | Composition & care: Acetate | Nylon | Wipe clean with a soft cloth.