When speed is the creed, this race-specific rocket ship gets you through T2 in record time. The engineered TekSheen upper pairs with a Z-VA and CarbonSpan+ midsole for distances from 5K to 13.1. For a mid-weight racer, check out the TT 4.0. For a perfect neutral training shoe, the Ultra Kalani would be a great fit.

• Size: 8-12, 13, 14
• Color: Classic Blue/Black/Pure Yellow
• Fabric: TekSheen upper hugs your foot. BareFit - Sockless Wear=No Stink. Tri-Dry technology because water in shoes is weight on your feet. CarbonSpan+ because balanced support and powerful toe-off count.