Guess GU50311 Optical Frame is a slim cat-eye acetate frame designed for everyday prescription wear. It pairs a refined, oversized silhouette with the brand's signature metal G detailing for a polished look. Key attributes: Black | Nero | Acetate | Compatible with prescription lenses | Compatible with prescription lenses | Supplied with original Guess case | Two size options (53/55) | Cat-eye frame | Slim oversized silhouette | Metal oval G logo at temples | Dimensions & fit: Lens width: 53 mm, 55 mm | Lens height: 44 mm (size 53), 46 mm (size 55) | Bridge width: 14 mm | Temple length: 140 mm | Available in sizes 53 and 55 | Recommended for oval, triangular and square face shapes | Composition & care: Acetate