Responsive cushioning in the Pegasus provides an energised ride for everyday road running. Experience lighter-weight energy return with dual Air Zoom units and a ReactX foam midsole. Plus, improved engineered mesh on the upper decreases weight and increases breathability. Key features Upgraded breathable engineered mesh upper ReactX foam midsole surrounds forefoot and heel Air Zoom units for an energised ride. Signature waffle-inspired rubber outsole for traction and flexibility A plush collar, tongue and sockliner for a secure and comfortable fit What's new? All-new ReactX foam midsole is 13% more responsive than previous React technology.