Dior Signature B1U Sunglasses combine a bold butterfly silhouette with the brand's signature metal-temple detailing for a refined, statement look. Designed for reliable sun protection and everyday wear. Key attributes: Black | Acetate | UVA/UVB protection | Gradient lens option | Logo on temples | Saddle nose bridge | Butterfly silhouette | Gold-finish metal detailing on temples | Thin, tapered arms | Dimensions & fit: Lens width 55 mm | Bridge 20 mm | Size M (55-20) | Regular fit | Composition & care: Acetate frame | Polyamide lenses | Metal temple detailing | Wipe lenses with a microfiber cloth. Avoid abrasive cleaners and solvents. Store in a protective case when not in use.