Marc Jacobs Flat Rectangular Sunglasses combine bold acetate frames with a slim metal temple overlay and logo-detailed arms for a modern, structured look. Ideal for everyday sun protection with a fashion-forward silhouette. Key attributes: Black | Nero | Acetate | UV protection | Non-polarised lenses | Full-rim frame | Prescription-ready | Flat-top rectangular shape | Thin metal trim on temples | Logo detail along the arms | Gradient dark-grey lenses | Dimensions & fit: Lens width: 57 mm | Bridge width: 18 mm | Temple length: 145 mm | Lens height: 46 mm | Size: M | Caliber: 57-18-145 mm | Composition & care: Frame: Acetate | Lenses: CR-39 (plastic) | Clean lenses with a microfiber cloth and mild lens cleaner; store in a protective case when not in use.