The versatile Nike Air Zoom Pegasus Premium delivers consistent comfort, an ideal all-round running shoe for your daily run. Experience the ultimate performance of the Air Zoom Pegasus Premium every day. Midsole The midsole is made of ReactX foam. Compared to Nike React foam, ReactX is designed to reduce the carbon footprint of a pair of midsoles by at least 43% due to the reduced energy used in the manufacturing process, and to increase energy return by 13%. The midsole of this shoe features a Zoom Air Unit that absorbs shock and rebounds quickly, reducing stress on muscles, joints and tendons. Zoom Air Units allow for faster, more efficient energy transfer, so you can jump higher and run faster. Upper A mesh upper makes the Air Zoom Pegasus Premium highly breathable and comfortable to wear while running. Outsole The shoe has a rubber outsole and offers good grip and traction while running. Order and discover the versatility of the Nike Air Zoom Pegasus Premium within a few days.