Montblanc MB0390S 003 Sunglasses blend a squared silhouette with mixed acetate-and-metal construction for refined everyday sun protection. The design emphasizes comfort and brand detailing for polished city wear. Key attributes: Black | Acetate and metal | UV protection | Lightweight frame | Adjustable nose pads | Integrated metal-acetate temple construction | Comes with protective case | Square silhouette | Snowcap emblem on temples | Tubular metal-to-acetate temple design | Acetate brow with clean lines | Dimensions & fit: Lens width: 50 mm | Bridge width: 21 mm | Temple length: 145 mm | Lens height: 40.3 mm | Medium fit (50-21-145) | Composition & care: Acetate | Metal | Wipe lenses with a microfiber cloth. Store in the included case. Avoid exposure to extreme heat and harsh chemicals.