Using insights from runners like you, we prioritised functionality to refresh our Swift essentials. This lightweight mid layer has been designed to help reduce chafing. Its soft, sweat-wicking and helps block out UV rays so you can focus on your miles and nothing else. Unhindered movement:The modified raglan sleeves are designed to help reduce underarm chafing and allow for a wider range of motion.,Stay dry:Nike Dri-FIT technology moves sweat away from your skin for quicker evaporation, helping you stay dry and comfortable.,Functional Fit:The top is tapered around the waist so that layering with other pieces is easier. A curved hem helps keep you covered through your stride. Plus, thumbholes let you extend your coverage and help hold the sleeves in place.,Time and space:The watch windows on either sleeve make it easy to check the time. A zip pocket on the left side seam fits items like earbuds, a key or a card.