Julius Tart Optical Dart Sunglasses combine a vintage-inspired navigator silhouette with a squared keyhole nose bridge for a distinctive retro look. The black acetate frame and light brown lenses deliver classic style with 100% UV protection for everyday wear. Key attributes: Black | Acetate | 100% UV protection | Squared keyhole nose bridge | Signature pin details on front and temples | Navigator pilot shape | Light brown lenses | Dimensions & fit: Eye 52 mm | Bridge 22 mm | Temple 140 mm | Composition & care: Acetate