Ray-Ban RB4439D Sunglasses bring a modern square silhouette with a bevelled top bar and flat lenses. They offer a versatile, everyday style that pairs easily with casual and refined looks. Key attributes: Brown | Havana | Acetate | UV protection | Polarized lenses available | Category 3 lens options (varies by variant) | Includes protective case | Prescription ready | Square frame | 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 | Effective lens diameter: 58 mm | Regular fit | Low bridge fit | Composition & care: 100% Acetate | Wipe lenses with a microfiber cloth and store in the provided case. Avoid abrasive cleaners and solvents.