Calvin Klein CK25546 Rectangle Frame combines a precise rectangular silhouette with signature logo detailing for everyday optical wear. The frame is designed for comfortable, lightweight use and pairs easily with prescription or non-Rx lenses. Key attributes: Black | Nero | Bio inj-g820 | Durable and lightweight | Compatible with prescription lenses | Integrated spring hinge | Metal core wire in temples | Case included | Rectangle shape | Full-rim frame | Extended logo on temples | Transparent color variants reveal metal core detail | Dimensions & fit: Lens width: 55 mm | Bridge width: 16 mm | Temple length: 145 mm | Lens height: 36.5 mm | Available sizes: Large (55-16-145), Extra Large (58-16-150) | Composition & care: Bio inj-g820 | Metal core wire