Saint Laurent M153 Optical Frame features a slim acetate construction with a subtle monogram hinge, designed to refine everyday looks. Lightweight and prescription-ready, it pairs easily with a wide range of styles. Key attributes: Black | Acetate | Supplied with original case | Prescription-ready | Full acetate frame | Medium monogram hinge detail | Feminine narrow silhouette | Dimensions & fit: Lens width: 55 mm | Lens height: 36 mm | Bridge width: 18 mm | Temple length: 145 mm | Narrow fit | Composition & care: Acetate