Ray-Ban Clubmaster Optical Frame blends a classic browline silhouette with modern details for everyday wear. The frame is designed to accept prescription lenses and pairs easily with a wide range of styles. Key attributes: Gray | Clear | Acetate | Anti-scratch lens coating | Prescription-ready | Adjustable nose pads | Non-slip temples | Includes original case, cleaning cloth, certificate of authenticity and guarantee | Browline silhouette | Full rim | Square shape | Dimensions & fit: Lens width: 51 mm | Bridge width: 21 mm | Temple length: 145 mm | Available in multiple sizes (examples: 49/21/140 and 51/21/145) | Composition & care: Acetate | Metal | Clean lenses with the included microfiber cloth; avoid abrasive cleaners; store in the provided case.