Nike air zoom pegasus 31 trainers reda highly responsive high mileage speed machinethe nike air zoom pegasus 31 mens running shoe updates a classic with a lowered midsole offset lateral crash rail and a new contoured forefoot for a natural feel and smooth transitiona lightweight mesh upper with no sew overlays and a premium foam midsole offer breathability and comfort from start to finish the nike zoom air unit under the heel delivers highly responsive cushioning for a great run every