Prada B23S Sunglasses combine a square acetate frame with a tortoise (Havana) finish and grey polyamide lenses for everyday sun protection and style. Key attributes: Brown | Grey | Acetate | Includes Prada case | Square silhouette | Tortoise (Havana) pattern | Shiny finish | Dimensions & fit: Lens width: 54 mm | Bridge: 20 mm | Temple: 145 mm | Lens height: 44 mm | Composition & care: Acetate | Polyamide