Montblanc MB0386O Optical Frame pairs a classic rectangular silhouette with lightweight acetate construction for comfortable everyday wear. Key attributes: Black | Acetate | Lightweight construction | Full rim frame | Rounded temples | Flat end tips for comfort | Rectangular shape | Snowcap logo on temples | Modern classic styling | Dimensions & fit: 52-17-145 | Lens height 41.9 mm | | Composition & care: Injected acetate | Wipe clean with a soft cloth. Store in the included case when not in use.