Saint Laurent M161 Sunglasses combine an oval tortoiseshell acetate frame with grey nylon lenses for refined everyday sun protection and a polished city look. Key attributes: Brown | Havana | Grey | Acetate | UV400 protection | Grey solid lenses | Nylon lenses | Full-rim construction | Lightweight frame | Includes protective case | Oval frame | Tortoiseshell pattern | Full-rim silhouette | Dimensions & fit: Lens width: 48 mm | Bridge width: 23 mm | Temple length: 145 mm | Medium fit | Composition & care: Frame: acetate | Lenses: nylon | Clean lenses with a microfiber cloth; avoid abrasive cleaners and harsh chemicals; store in protective case when not in use.