Ray-Ban RB3751 Sunglasses pair a square metal frame with a distinctive double bridge for a modern, everyday sunwear option. Designed for versatile use, they suit both casual and polished looks while accommodating prescription lenses. Key attributes: Gray | Metal | UV protection | Prescription compatible | Square frame | Double bridge | Full rim | Rivet detailing | Dimensions & fit: Lens sizes: 58 mm, 61 mm | Bridge: 17 mm | Temple: 145 mm | Lens height: 44 mm (58 size), 46 mm (61 size) | Available in lens sizes 58 mm and 61 mm | Composition & care: Frame: Metal | Temples: Acetate | Lenses: Crystal | Wipe lenses with a microfiber cloth and lens cleaner. Store in supplied case when not in use. Avoid contact with harsh chemicals.