Kuboraum Mask J73 BZ pairs a hammered bronze metal front with thick bi-color acetate temples to create a modern rectangular aviator frame. Its bold hardware and sun-ready lenses make it a distinctive everyday eyewear choice. Key attributes: Gray | Acetate | 100% UV protection | Iconic Kuboraum gear hinge | Full rim construction | Bronze metal front with hammered finish | Thick bi-color acetate temples | Aviator shape | Light brown lenses | Dimensions & fit: Eye 56 mm | Bridge 14 mm | Temple 145 mm | Composition & care: Metal | Acetate | CR-39 (lenses) | Wipe with a soft cloth; specialized/professional cleaning recommended.