The Cloud X 3 pushes new limits in terms of weight, agility, and versatility. So you can react, respond, and crush every workout, and every run. On has re-engineered the uppers to a 3-layer mesh that is made from 90-95% recycled content and offers optimized breathability. Born from On’s expertise in running. Improved fit, star lacing, 3-layer mesh, CloudTec and Speedboard all combine to support you.