Montblanc Optical Frame from Montblanc combines refined Italian craftsmanship with a classic rectangular silhouette. Designed for everyday prescription use, it balances a structured look with all-day comfort. Key attributes: Black | Acetate | Progressive lens compatible | Lightweight frame | Full rim | Regular hinges | Includes protective case and cleaning cloth | Rectangular shape | Single bridge | Dimensions & fit: Lens width: 54 mm | Bridge width: 17 mm | Temple length: 145 mm | Size: 54-17-145 | Medium fit | Composition & care: Acetate | Clean with a soft, dry cloth; store in the provided case; avoid exposure to heat and harsh chemicals.