Road shoe for the runner seeking comfort, protection, and speed Ultimate ventilation in mesh upper doesn't lack support Injected TPU heel counter provides a stable ride Precision-molded 3D heel for a secure, locked down foot CloudTec cushioning delivers a smooth ride from heel to toe Liquid injected SpeedBoard stabilizes foot, propels push-off Tested in the world's longest relay run on the longest day of the year, the On Running Cloudace Running Shoe holds up to the most demanding runners. With ultimate comfort, protection, and speed the Cloudace performs to very high standards. CloudTec cushioning provides us with comfort and protection by utilizing Zero-Gravity Cloud heel cushioning for a soft, protected landing. Meanwhile a rubber landing zone in the forefoot allows an agile push-off, providing us with ultimate cushioning sensation without slowing us down. To enhance speed even further, a liquid injected SpeedBoard in the sole stabilizes our foot through each step while also propelling the push-off.