Montblanc MB0346O Optical Frame combines Meisterstück heritage with a rimless rectangular silhouette, featuring temple details inspired by Meisterstück writing instruments and subtle metal logo rings for refined everyday wear. Key attributes: Black | Argento nero | Metal | | Silicone nose pads | Progressive-lens eligible | Includes cleaning cloth and protective case | Rimless rectangular silhouette | Temples inspired by Meisterstück pen shape | Metal ring branding on temples and temple tips | Dimensions & fit: 53-20-150 | Medium fit | Composition & care: Metal | Silicone | Wipe clean with a soft microfiber cloth; store in protective case when not in use.