Using insights from runners like you, we prioritised functionality to refresh our Swift essentials. These midweight, sweat-wicking leggings have been designed to help reduce chafing and improve breathability. Three pockets store your essentials so you can rack up your miles with everything you need close by. Upgraded storage:A zip pocket on the back of the waistband is large enough to hold even larger smart phones. Drop-in side pockets offer extra storage.,Stay Dry and Comfortable:Nike Dri-FIT technology moves sweat away from your skin for quicker evaporation, helping you stay dry and comfortable. Its combined with perforations behind the knees to help moisture escape. The absence of seams on the inner legs helps reduce chafing.