Montblanc MB0401O Optical Frame features sporty full‑rim styling with injected construction and rubber temple tips for comfortable everyday wear. Designed to accept prescription lenses, it balances durability with a streamlined look. Key attributes: Black | Injected plastic | Injected construction for durability | Rubber temple tips | Compatible with prescription lenses | Square full‑rim shape | Montblanc emblem on temples | Sporty design | Dimensions & fit: Eye 55 mm | Bridge 19 mm | Temple 145 mm | Composition & care: Injected plastic | Wipe clean with a soft cloth.