Big CloudTec® delivers high shock absorption Powerful Speedboard® allows energy return Forward-rolling, effortless momentum Traditional lace closure Super-soft landings with Helion™ superfoam Maximize strong take offs and super soft landings with the On Running Cloudmonster. These everyday trainers are made to help you hit your PRs. With a forward rolling shaped sole, this runner gives you effortless momentum while allowing you high energy return and bounce. Product Code: 61.98434