Saint Laurent SL 737 MICA THIN Sunglasses combine a slim, squared cat-eye silhouette with reliable UV400 protection. Designed for everyday wear, they balance a modern slim profile with practical lens performance. Key attributes: Black | Acetate | UV400 protection (blocks UVA and UVB) | Lens light transmission: 8–18% (dark lenses) | Interchangeable/replaceable lenses option | Includes original case and microfiber cleaning cloth | Virtual try-on compatible | Squared cat-eye frame | Thin profile | Full-rim construction | Dimensions & fit: Lens width: 54 mm | Bridge: 16 mm | Temple: 145 mm | Composition & care: Acetate frame | Nylon lenses | UV400 lens filter | Wipe lenses with a microfiber cloth and mild lens cleaner. Store in the original case when not in use. Avoid abrasive materials and harsh chemicals.