Balenciaga Nano Round Af Sunglasses combine a timeless round silhouette with subtle BB-branded detailing for refined everyday wear. The acetate frame and grey lenses deliver strong UV protection while remaining suitable for optical conversion. Key attributes: Black | Acetate | 100% UVA/UVB protection | Lens category 3 | Includes original case | Suitable for optical conversion | Adjusted fit | Round silhouette | Full-rim frame | Nano BB logo metal plate on temples | Grey lenses | Dimensions & fit: Lens width: 53 mm | Bridge: 20 mm | Temple length: 145 mm | Lens height: 36.3 mm | Adjusted fit | Composition & care: Acetate (frame) | Bio-nylon (lenses)