Ray-Ban RB 4428 Sunglasses combine a modern square silhouette with gradient lenses for everyday sun protection and clear vision. The design suits daily wear and prescription conversion. Key attributes: Gray | Dark Grey | Grey Shaded | Propionate | UV protection | Gradient lenses | Prescription-ready | Includes protective case and cleaning cloth | Square frame | Full plastic frame | Dimensions & fit: Lens width: 56 mm | Bridge width: 21 mm | Temple length: 145 mm | Composition & care: Propionate frame | Clean lenses with a soft microfiber cloth and mild lens cleaner; store in the included protective case when not in use.