Neutral Utility Triathlon The ULTRA TT 4.0 delivers a smooth balanced performance for your everyday training or racing, weighing in at 8.7oz. If you like the Ultra TT 4.0, you might also like the Ultra Race 3.0 for a lighter shoe and the Ultra Otec for an everyday training shoe.Size: 8 12. 13, 14Color: True RedBlackWhiteFabric: BareFit Sockless WearNo Stink. Tri Dry technology because water in shoes is weight on your feet. Patented Quick Lace System with a one hand lock down. CarbonSpan because balanced support and powerful toe off count. Asymmetrical design matches your foot.