Kuboraum Mask Z51 RH combines a squared metal frame with a foldable gear hinge for compact storage and bold styling. These sunglasses balance a hand-finished gunmetal look with practical features for everyday sun protection. Key attributes: Gray | Grey | Metal | 100% UV protection | Foldable gear hinge | Custom nose pads | Metal temples with acetate temple tips | Squared shape | Double lens rim | Gunmetal matte metal frame | Hand-finished look | Iconic gear hinge | Dimensions & fit: Eye 49mm | Bridge 21mm | Temple 140mm | Composition & care: Metal | Acetate | Wipe with a soft cloth; professional/specialized cleaning recommended.