Isabel Marant Optical Frame in Black. A timeless acetate frame designed for everyday wear, offering a classic silhouette and reliable construction for prescription or non-prescription lenses. Key attributes: Black | Acetate | Full rim | Includes case and accessories | Dimensions & fit: Lens width: 51 mm | Bridge width: 20 mm | Temple length: 145 mm | Medium size (51-20-145) | Composition & care: Acetate | Clean with a soft microfiber cloth; store in the provided case.