Ralph Lauren RA5340U Sunglasses pair a butterfly cat-eye acetate frame with gradient lenses for everyday sun protection and easy prescription compatibility. Key attributes: Black | Acetate | 100% UV protection | Prescription-ready | Progressive lens compatible | Includes protective case and cleaning cloth | Butterfly (cat-eye) shape | Full-rim frame | Gradient grey lenses | Dimensions & fit: Lens width 56 mm | Bridge 16 mm | Temple length 145 mm | Lens height 44 mm | One size (56-16-145) | Universal fit | Composition & care: Frame: Acetate | Wipe lenses with a microfiber cloth and lens cleaner. Store in the supplied case when not in use. Avoid abrasive cleaners and prolonged heat.