The Thunderbird comes from strong bloodlines. The stability of a TeeBird with the speed of a Valkyrie, it could be best described as a seasoned Firebird, but with less fade. the Thunderbird is still predictable in a wind and a great choice for your new favorite long-range placement driver.Halo discs are so gorgeous you could say they’re heavenly. Halo discs feature a vibrant, pearly colored edge that blends into a brighter center and are molded in premium Star plastic. Halo discs have slightly more stability and glide. Overstable distance driver which works well into a headwind. Stamp color will vary.