These black Dita Eyewear Mach Seven aviator sunglasses are crafted in Japan from acetate and gold tone titanium. Designed with square aviator frames, this style has a contrasting wire brow bar, nose pads, engraved temples and tinted lenses that offer full UVA and UVB protection. Inspired by the world of car racing, this pair comes in a branded case. Apparently, the number seven symbolises all that is positive and valuable in existence. So that's why it's included in the name of these Dita Eyewear Mach Seven sunglasses. REF: 14968525 / DTS1355601 LENS WIDTH: 5.6 cm / 2 inches LENS HEIGHT: 4 cm / 1.5 inches ARM LENGTH: 14 cm / 5.5 inches BRIDGE WIDTH: 1.9 cm / 0.5 inches Composition: Acrylic 100 % Composition: Acetate 100 %