Hugo HG 1376 Aviator Frame combines a lightweight high-density acetate front with tubular metal temples for comfortable, everyday prescription wear. Key attributes: Gray | Grigio | Acetate | Lightweight construction | Integrated flexible hinges | Compatible with prescription lenses | Aviator frame shape | High-density acetate front | Tubular metal temples | Dimensions & fit: Lens width: 56 mm | Lens height: 47 mm | Bridge width: 14 mm | Temple length: 145 mm | Frame size 56 | Composition & care: Acetate | Metal | Clean with a soft microfiber cloth; store in the provided case; avoid abrasive cleaners and harsh chemicals.