Vamp, tongue, and linings made from recycled polyester Helion™ superfoam delivers soft, impact-absorbing cushioning Speedboard® provides powerful, springy energy return Rocker-shaped design creates smooth, forward-rolling transitions Soft sockliner and upper for all-day comfort Lightweight, durable, and temperature-resistant construction Max cushioning meets monster-level bounce in the Cloudmonster 1, built to energize every stride with plush comfort and responsive propulsion. The recycled upper keeps things breathable, while Helion™ superfoam and a snappy Speedboard® team up for that addictive rebound. With its signature rocker shape pushing you forward, this pair turns everyday runs into a fun, rolling ride from the first step to the last. Product code: 3WG11034923