Frame color: Arista Gold; Lens color: Blue Gradient; Frame material: Metal. The Ray-Ban RB3447N Round Metal sunglasses offer a vintage touch with their round metal frame. The timeless design, inspired by retro style, is enhanced by the gold color and blue lenses, perfect for those who want to add personality and character to their look. Recommended for square and rectangular faces, thanks to their ability to soften the corners. These sunglasses feature high quality frames, standard prescription lenses, shipping, free case and cloth. Medium Black/Blue/Gold Full-Rim. These Round shaped sunglasses are great for Heart/Oval/Square shaped faces.