UFO Girly Racer Back Tank Top (White). UFO Girly Racer Back Tanks are sporty, sexy and ready to go! These medium weight UFO Racer backs are made of the perfect blend of 92% combed cotton and 8% spandex so the material is light weight, super soft, absolutely comfortable and feature the perfect amount of stretch. Whether you are looking for the perfect matching style to compliment your UFO pants or you are wearing this shirt to the gym you are sure to love this girly tank top. UFO racer Backs are great for casual wear and are perfect for the active lifestyle. Each shirt come with the UFO Logo on the front of garment, printed in special metallic silver ink.