What Our Experts Are Saying: "I recently tried on the new Pegasus 42. Nike took the feedback from the Pegasus 41 and widened the shoe. I ran a 5K in these and was thoroughly surprised at the comfort of the shoe throughout the entire run. I would definitely use this for my easy run days." - Leslie, Assistant Store Manager at DICK'S Sporting Goods South San Antonio, TX Responsive full-length cushioning sculpted to energize an icon. Responsive cushioning in the Pegasus 42 provides an energized ride for everyday road runs. Experience power in every stride thanks to the propulsive feel of a curved, full-length Air Zoom unit and a ReactX foam midsole. An updated fit gives you more space in the forefoot and toe box. What's New: Nike updated the fit to give you a little extra room at the toes and forefoot compared to the 41 Greater toe spring than previous model due to an updated silhouette that increases the curve of the toe box Full-length Air Zoom unit compared to forefoot and heel Air Zoom units in previous models Design: Lightweight mesh upper is softer and more breathable than earlier iterations, helping your feet stay comfortable In-Shoe Comfort: Sculpted full-length Air Zoom unit to deliver a propulsive feel and Nike's highest energy return from heel to toe-off ReactX foam midsole is 13% more responsive than previous React technology Durability & Traction: An updated Waffle outsole delivers traction and flexibility with high-abrasion rubber and flex grooves Additional Details: Weight: Approx. 243g/8.6oz (Women's US 8) Heel-to-toe drop: 10mm MR-10 2.0 Last - Updated from the Pegasus 41