UPPER: FLYWIRE TECHNOLOGY HELPS KEEP THE FOOT SECURE WHILE ENGINEERED MESH PROVIDES BREATHABILITY WITH A FRESH AESTHETIC. MIDSOLE: ZOOM AIR AND OUR CUSHLON MIDSOLE PROVIDE A RESPONSIVE YET CUSHIONED RIDE IDEAL FOR MID TO LONG DISTANCE TRAINING. OUTSOLE: WAFFLE LUG OUTSOLE PROVIDES ULTIMATE DURABILITY AS WELL AS GREAT TRANSITION AND FLEXIBILITY.