Montblanc MB0437O 002 Optical Frame combines Montblanc detailing with a classic rectangular acetate silhouette, designed for everyday prescription wear and refined office-to-evening looks. Key attributes: Brown | Havana | Acetate | Can be fitted with prescription lenses | Rectangular frame | Nib emblem on temples | Full acetate construction | Composition & care: Acetate | Wipe lenses with a microfiber cloth. Store in a protective case when not in use.