Montblanc MB0401O Optical Frame is a sporty rectangular eyeglass frame from Montblanc’s Extreme line, designed for active wear. It features injected construction and rubber temple tips for a secure, comfortable fit. Key attributes: Gray | Plastic | Durable injected construction | Sport-ready design | Rubber temple tips with textured pattern | Full-rim frame | Includes protective case and cleaning cloth | Rectangular shape | Extreme 3.0 pattern on temples | Montblanc Snowcap emblem on temples | Shiny transparent grey finish | Dimensions & fit: Lens width: 55 mm | Bridge: 19 mm | Temple length: 145 mm | Size 55-19-145 | Composition & care: Plastic