Montblanc MB0391OA Optical Frame is a geometric double-bridge optical frame from Montblanc's Snowcap line, designed for refined everyday wear and comfortable all-day use. The frame ships with demo lenses and the original Montblanc case, ready for prescription fitting. Key attributes: Gray | Ruthenium | Transparent | Metal | Durable metal construction | Comfort-oriented temple design | Includes demo lenses (requires prescription lenses to be fitted) | Includes original Montblanc case and accessories | Geometric full-rim frame | Double bridge | Snowcap emblem on temples | Dimensions & fit: Lens width: 51 mm | Bridge: 21 mm | Temple length: 145 mm | Lens height: 41.8 mm | Asian fit | Composition & care: Metal | Wipe clean with a soft cloth; avoid harsh chemicals and abrasive cleaners; store in the included case when not in use.