Responsive cushioning in the Pegasus provides an energized 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. Benefits Include: Designed to fit the same as Pegasus 40. Signature waffle-inspired rubber outsole for traction and flexibility. Plush collar tongue and sockliner for a secure and comfortable fit. All-new ReactX foam midsole is 13% more responsive than previous React technology. Crafted for performance and planet, ReactX foam is engineered to reduce its carbon footprint by at least 43% in a pair of midsoles due to reduced manufacturing process energy compared to prior React foam. Specs: Heel-to-Toe Offset: 10mm Weight: 10.4oz