On Cloudboom Echo Men's Running Shoes White/Black : Run faster than ever before in the On Cloudboom Echo! Developed with feedback from elite athletes, this neutral racing shoe performs at the highest level. A carbon-fiber Speedboard™ in the midsole adds an energetic kick to every stride. Stay cool while pushing the pace in the lightweight mesh upper. Ultralight yet powerful, the On Cloudboom Echo helps you outrun your records! What's New? Carbon-infused Speedboard™ includes a more extreme curve to add an extra kick. Enhanced forefoot cushioning increases comfort. Who's it for? Competitive runners looking for a fast to to wear during road races. Any runner who's heard the hype about carbon-plated running shoes and wants to try the latest trend. Shoe Technology Upper: Engineered mesh with targeted reinforcement for ventilation and hold. Made with recycled materials for sustainability. Midsole: Dual layers of CloudTec® and Helion® superfoam offer soft landings. Carbon-infused Speedboard™ with an extreme rocker shape for powerful propulsion. Outsole: High performance rubber compound increases ground contact for maximum efficiency even in wet conditions.