Unleash your best self every day with the Nike Pegasus Premium, the ultimate choice for comfort on every run. Experience the ultimate performance of the Pegasus Premium every day. Midsole This shoe offers excellent cushioning thanks to a combination of Nike's ZoomX foam over the full length of the shoe and ReactX foam in the heel and forefoot. ZoomX provides 85% energy return, so you feel like you're being propelled while running. In combination with ReactX foam, this makes for a very responsive and comfortable running experience. The midsole of this shoe has a Zoom Air Unit that absorbs shock and bounces back quickly, reducing the stress on muscles, joints and tendons. Zoom Air Units ensure a faster, more efficient transfer of energy, so you can jump higher and run faster. Upper The Pegasus Premium has a circular knit upper that increases the breathability of the shoe and provides extra comfort. Outsole The shoe's rubber outsole provides good grip and traction while running. The outsole also has flex grooves to create more flexibility in the forefoot. This shoe has Nike's characteristic waffle pattern as an outsole, with short rubber studs in the shape of honeycombs, for grip on wet and dry surfaces.