The Nike Pegasus Premium is the most responsive Pegasus ever, combining full-length ZoomX foam, a full-length Air Zoom unit, and ReactX cushioning for unmatched energy return, bounce, and smooth transitions. Designed for speed and comfort, it features an ultra-light, breathable engineered mesh upper that locks in the foot without weighing you down. The ZoomX foam delivers exceptional propulsion, while the Air Zoom unit provides springy cushioning underfoot. Underneath, ReactX foam enhances responsiveness by 13% over previous React versions, creating a fluid, balanced ride. Finished with a durable, grippy waffle-pattern outsole, this shoe is built to help you power through every run.