Dita Mach-Five sunglasses combine precision titanium construction with DITA’s signature step-down lens for refined everyday sun protection. Crafted for an international fit, they deliver luxury detailing and reliable optical performance. Key attributes: Black Iron | Titanium/Acetate | 100% UVA and UVB protection | Anti-reflective coating | CR-39 lens material | Custom titanium nose pads | Custom molded nylon temple tips | Hex screw hinges | Step-down lens feature | Titanium mesh nose bridge | Laser-etched temple detail | Custom titanium forked hinge | Dimensions & fit: Frame dimensions: 64/14-127 mm | Lens width: 64 mm | Lens height: 55 mm | Temple: 127 mm | Bridge: 14 mm | Frame width: 160 mm | Frame height: 57 mm | International fit | Composition & care: Titanium | Acetate (cellulose acetate) | Nylon (temple tips) | CR-39 (lenses) | Clean lenses with a lens cleaner and microfiber cloth. Wash frames under lukewarm water with mild soap, rinse and dry with the included microfiber cloth. Store in the provided soft case or box. Avoid prolonged exposure to high heat.