Balenciaga Nano Round AF Sunglasses combine a compact round silhouette with performance lenses for everyday sun protection. Designed by Balenciaga, they pair a slim acetate frame with bio-nylon lenses for clear, protected vision. Key attributes: Gray | Grey | Acetate | 100% UVA/UVB protection | Lens category 3 | Bio-nylon lens material | Suitable for optical conversion | Logo plate on both temples | Round shape | Slim acetate frame | Nano BB logo metal plate on temples | Dimensions & fit: Temple length: 14.5 cm | 5.7" | Bridge length: 2 cm | 0.79" | Frame size: 53 | Adjusted fit | One size (53) | Composition & care: Acetate | Bio-nylon