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. Springy cushioning We paired Nike ReactX foam with two Air Zoom units (one in the forefoot and one in the heel) to give you a bouncy, springy sensation and an energised feel at toe-off. Waffle-inspired traction The signature Waffle-inspired rubber outsole provides traction and flexibility. Plush padding A plush collar, tongue and sockliner for a secure and comfortable fit What's new? * The ReactX foam midsole is 13% more responsive than previous React technology. * The engineered mesh upper is lighter and more breathable than the Pegasus 40. Product details * Weight: 251g approx. (women's size 5.5) * Heel-to-toe drop: 10mm * MR-10 last—our best, most consistent fit (same as Pegasus 40) * Reflective design details * Not intended for use as personal protective equipment (PPE)