A smooth outer layer gives you a compressive, locked-in feel and works with molded mesh side panels that hold you in place from all sides. The quick-drying chest band is designed to stay in place as you run to help reduce chafing.Swing SmoothlyWe opted for a stitch-free construction around the arms to give you an extra smooth feel. The racerback design allows for unrestricted movement.Dry MilesNike Dri-FIT technology moves sweat away from your skin for quicker evaporation, helping you stay dry and comfortable. Perforations on the front and back offer breathability in high-sweat areas. More Details