Take responsive cushioning to the next level with the Pegasus Plus It energizes your ride with full-length Superlight ZoomX foam to give you a high level of energy return for everyday runs ZoomX foam midsole offers springy cushioning. High-abrasion rubber on outsole provides traction. Midfoot band helps keep you contained. And a stretchy Flyknit upper conforms to your foot for a seamless fit Take responsive cushioning to the next level with the Pegasus Plus. It energizes your ride with full-length, superlight ZoomX foam to give you a high level of energy return for everyday runs. And a stretchy Flyknit upper conforms to your foot for a seamless fit.