Prada PR B18S Sunglasses combine a squared acetate frame with dark brown lenses for a refined everyday accessory. The Root tortoise finish adds timeless versatility to casual and tailored looks. Key attributes: Root tortoise | Dark brown | Acetate | UV protection | Includes original case | Compatible with prescription lenses | Squared silhouette | Tortoiseshell pattern | Full-rim acetate frame | Dark brown lenses | Dimensions & fit: Lens width: 53 mm | Bridge width: 19 mm | Temple length: 145 mm | High bridge fit