Ray-Ban William Titanium Optical Frame pairs a lightweight titanium build with a narrow, geometric silhouette for everyday prescription wear. Ideal for those seeking a refined, contemporary metal frame. Key attributes: Gray | Gunmetal | Titanium | Lightweight construction | Durable titanium frame | Narrow geometric silhouette | Full-rim frame | Square/rectangular shape | Dimensions & fit: Lens width: 56 mm, 58 mm | Bridge: 17 mm | Temple length: 145 mm | Lens height: 42 mm (56), 44 mm (58) | Narrow, geometric fit | Composition & care: Titanium | Wipe lenses with a microfiber cloth and approved lens cleaner. Store in the supplied case when not in use. Avoid exposure to high heat and harsh chemicals.