The ultralight shoe with a carbon Speedboard® for your fastest marathons and road races. Built beside elite athletes.

• Technology: The ultralight Cloudboom Echo combines a carbon Speedboard® with an extreme rocker shape to give every step an extra powerful kick. Add the minimalist upper and enhanced forefoot cushioning and you're ready to crush records in complete comfort. Every element is engineered for performance.
• Materials: The 100% recycled polyester engineered mesh upper delivers 100% performance. Targeted reinforcements ensure ventilation and hold for sharp turns. In the outsole, the rubber compound in specific geometry increases ground contact area for maximum efficiency even in wet conditions.
• Design: More speed, More energy return, More comfort. The Cloudboom Echo is our fastest-ever marathon shoe. Developed with our fastest runners, designed with our lightest materials. Less weight and more performance. Get ready to blow your P.R. to pieces. Boom by name, boom by nature.