The Dita Mach Five Sunglasses combine precision titanium engineering with a bold pilot silhouette. They offer refined everyday wear with superior lens performance and distinctive design details. Key attributes: Black iron | Titanium | 100% UVA/UVB protection | Anti-reflective coating | Custom titanium nose pads | Custom molded nylon temple tips | Hex screw hinges | Step-down lens construction | Pilot shape | Full rim | Titanium mesh nose bridge | Signature step-down lens feature | Dimensions & fit: Lens width: 64 mm | Bridge: 14 mm | Temple length: 127 mm | Composition & care: Titanium | Acetate | Nylon (temple tips) | CR-39 lens | Clean lenses with the included microfiber cloth and store in the original case. Avoid harsh chemicals and extreme heat. Have frames adjusted by an optician as needed.