Saint Laurent M157 Sunglasses pair the M157 design with a squared acetate frame and solid black lenses for refined everyday sun protection. Key attributes: Black | Acetate | Includes protective case | Squared acetate frame | Full-rim silhouette | Solid black lenses | Dimensions & fit: Unisex fit | Composition & care: Acetate frame | Bio nylon lenses | Wipe lenses with a microfiber cloth and store in the protective case when not in use.