Saint Laurent SL 621 Sunglasses feature a structured rectangular acetate frame designed for refined everyday wear and reliable comfort. Key attributes: Black | Acetate | Lightweight | Durable acetate | Progressive lens compatible | Regular hinge | Injected temples | Rectangular frame | Full rim | Square shape | Dimensions & fit: Lens width: 54 mm | Bridge width: 19 mm | Temple length: 145 mm | Medium fit | Composition & care: Acetate | Wipe lenses with a soft, lint-free cloth and lens cleaner. Store in a protective case when not in use. Avoid exposure to high heat.