Drop the hammer on race day with the On Cloudboom Echo 3. On’s carbon-plated and ultra-lightweight super shoe will have you running at top speeds thanks to the carbon Speedboard® with an extreme rocker shape. The carbon plate combined with Helion™ HF foam made from Pebax® and On’s signature CloudTec® cushioning gives you a snappy ride from start to finish. Built for performance with a race-specific fit, the On Cloudboom Echo 3 has a lightweight microfiber upper that delivers extreme breathability and water absorption. Silicone inserts on the laces and insole guarantee your feet stay comfortably locked in place and there are multiple eyelet options for lacing, so you can personalize the fit. The On Cloudboom Echo 3 gives you big propulsion and responsiveness when every second counts, making it one of the best carbon-plated shoes.