Saint Laurent M48O Glasses combine a refined cat-eye–inspired silhouette with an acetate front and lightweight metal temples for a polished, everyday optical frame. Key attributes: Black | Acetate | Lightweight construction | Comfortable for all-day wear | Metal temples | Full-rim frame | Cat-eye silhouette | Acetate front | Soft inverted triangular lens shape | YSL monogram on hinge | Dimensions & fit: Lens height (A): 40 mm | Lens width (B): 51 mm | Bridge width (C): 19 mm | Temple length (D): 145 mm | Frame width (E): 138 mm | Asian fit | Composition & care: Acetate | Metal