Ray-Ban Oval Sunglasses combine a slim metal frame with blue glass lenses that deliver UV400 protection for reliable everyday sunwear. Key attributes: Gray | Silver | Metal | UV400 protection | Category 3 sun filter | Compatible with prescription lenses | Includes original case and microfibre cleaning cloth | Oval frame shape | Full-rim construction | Blue glass lenses | Dimensions & fit: 51-21-145 | 54-21-145 | Composition & care: Metal frame | Glass lenses | Clean lenses with the included microfibre cloth and store in the protective case; avoid abrasive cleaners and high temperatures.