Retrosuperfuture Numero 05 Optical Frame is a slim acetate optical frame inspired by 1950s styling, designed for everyday prescription wear and clear-lens mounting. Key attributes: Black | Acetate | Durable acetate construction | Lightweight for all-day wear | Compatible with prescription lenses | Includes hard case and cleaning cloth | Round full-rim frame | Slim temple arms | Carved acetate reinforcements at stress points | Dimensions & fit: Lens width: 53 mm | Bridge: 20 mm | Temple length: 145 mm | Regular size (R) | Composition & care: Acetate | Clean with included cloth; store in the supplied hard case when not in use.