Ray-Ban Round Reverse Sunglasses update the classic round frame with reverse concave lenses for reduced glare and a modern silhouette that's suitable for everyday wear. Key attributes: Gray | Silver | Metal | 100% UV protection | Anti-glare treatment | Reduces glare up to 70% | Includes original case | Precision-engineered fit for all-day comfort | Round metal frame | Concave reverse lens | Single bridge | Full rim | Dimensions & fit: 53-21-140 mm | 55-21-145 mm | Precision-engineered fit | Designed for all-day comfort | Composition & care: Metal frame | Bio-nylon lens | Clean lenses with a microfiber cloth and store in the included case when not in use.