On Cloudboom Echo 3

A fusion of CloudTec® and Helion™ HF hyper foam for our fastest race-day shoe. Combining a carbon Speedboard® with an extreme rocker shape, you’ve got extra boom with every stride. Silicone inserts on the laces and insole guarantee your feet stay comfortably locked in place. Add crafted cushioning for a race-specific fit, and you’re ready to crush records.