Neutral with maximum cushion. The most elite gear for the sport's most elite athletes. At the front of the pack and out to win it all, Ultra Kalani 2.0 goes beyond the expected and defines what the rest are chasing. The shoe uses Z-bound midsoles that start by delivering better cushioning in a super-light package. Every step of the way, a runner's energy rebounds efficiently for less stress and fatigue. There are plenty of challenges to overcome when training and racing. Forefoot fatigue shouldn't be one of them. Zoot's CarbonSpan+ shank provides tunable control for maximum power during toe-off and effortless forward momentum.