Ray-Ban Vista Optical Frame combines a lightweight nylon build with a classic rectangular silhouette for everyday prescription wear and comfortable all-day use. Key attributes: Gray | Nylon | Lightweight | Durable frame | Compatible with prescription lenses | Available in multiple sizes | Rectangular silhouette | Clear demo lenses | Dimensions & fit: Lens width: 54 mm (also available in 56 mm) | Bridge: 19 mm | Temple: 150 mm | Lens height: 40 mm | Regular fit | Available in sizes 54 and 56 | Composition & care: Nylon | Clean lenses with a microfiber cloth and lens cleaner. Store in a protective case when not in use. Avoid abrasive cleaners and high heat.