Ray-Ban Oval Sunglasses feature a lightweight metal frame and photochromic amber lenses that adapt to changing light for clear vision in everyday use. Key attributes: Silver | Amber | Metal | Photochromic amber lenses | UV protection | Adjustable nose pads | Transparent acetate temple tips | Lightweight construction | Oval shape | Polished silver metal bridge and temples | Dimensions & fit: Lens width: 54 mm | Bridge width: 18 mm | Temple length: 145 mm | Composition & care: Frame: Metal | Lenses: Nylon | Temple tips: Acetate | Clean lenses with a microfiber cloth; store in the provided case; avoid abrasive cleaners and high temperatures.