Ray-Ban Round Metal RB3447. Personalize your favorite frames with our range of custom sunglasses. Create your own custom Round and stand out from the crowd. Ray-Ban ROUND METAL sunglasses features a matte havana on matte arista color combination. The solid brown lenses offer 100% UV protection, making them both stylish and practical for everyday wear. These shades are sure to make a statement wherever you go. Ray-Ban RB3447 Round Metal Tortoise, Brown. Large Brown/Tortoise Full-Rim for Men. These Round shaped sunglasses are great for Heart/Oval/Square shaped faces.