Montblanc MB0401O Optical Frame from Montblanc's Extreme line — a sporty, full-rim square frame designed for active use, featuring injected construction and rubber temple tips for a secure feel. Key attributes: Black | Plastic | Lightweight construction | Durable frame | Rubber temple tips for secure fit | Fully injected construction | Square / rectangular shape | Full-rim frame | Montblanc Snowcap emblem on temples | Dimensions & fit: Lens width: 55 mm | Bridge: 19 mm | Temple length: 145 mm | Composition & care: Plastic | Clean lenses with the supplied microfiber cloth.