Dri-FIT Miler T-shirtTrain hard, push the pace and get the most out of your route. You need full mobility as you move through your stride, so we rolled back this top's shoulder seams and added hem vents to keep you comfortably in motion. Benefits Nike Dri FIT technology moves sweat away from your skin for quicker evaporation, helping you stay dry and comfortable. Jersey fabric has a soft feel. The seams at the shoulders are rolled back to help your arms move freely