Ray-Ban RX 8766 Sunglasses blend a lightweight titanium frame with a classic round silhouette for comfortable everyday wear and easy prescription lens fitting. Key attributes: Gray | Dark Ruthenium | Titanium | Lightweight | Durable | Liteforce construction | Adjustable nose pads | Compatible with prescription lenses | Adjustable temple tips | Round silhouette | Thin metal temples | Minimalist bridge | Dimensions & fit: Lens width: 51 mm | Bridge: 17 mm | Temple length: 145 mm | Regular fit | Composition & care: Titanium