The ray-ban rb3726m scuderia ferrari collection sunglasses, designed by ray-ban for the racing team, are a must-have for any collector. The metal frame in black on silver provides premium comfort and durability while maintaining an overall lightweight feel. The rectangle shape offers a contemporary look that is perfect for your next race or just around town. With dark green lenses, these shades will keep you looking as fast as they feel all day long. - frame material: metal