Saint Laurent SL 819 Sunglasses combine a squared Havana acetate frame with brown bio-nylon lenses, designed for everyday sun protection and city wear. Key attributes: Brown | Havana | Acetate | UV400 protection | Full-rim frame | Compatible with prescription lenses | Squared silhouette | Havana pattern | Dimensions & fit: 52/20/145 | Medium size | Composition & care: Acetate | Bio nylon | Wipe lenses with a soft microfiber cloth; avoid abrasive cleaners and harsh chemicals; store in protective case when not in use.