Ray-Ban RB4439D Sunglasses combine a squared, beveled-top-bar silhouette with flat dark grey lenses for a modern-retro look. They deliver clear sun protection and a bold profile for everyday wear and driving. Key attributes: Brown | Havana | Dark grey | Propionate | Non-polarised lenses | Suitable for driving | Full-rim frame | Prescription ready | Squared front | Bevelled top bar | Flat lenses | Round metal rivets | Dimensions & fit: Lens width: 54 mm | Bridge width: 21 mm | Temple length: 145 mm | Vertical lens: 40 mm | Low bridge fit | Composition & care: Propionate frame | Polycarbonate lenses