Using insights from runners like you, we prioritized functionality to refresh our Swift essentials. This lightweight top has been designed to help reduce chafing. It's soft, sweat-wicking and helps block out UV rays so you can focus on your miles, and nothing else.Unhindered MovementModified raglan sleeves are designed to help reduce underarm chafing and allow for a wider range of motion.Stay DryNike Dri-FIT technology moves sweat away from your skin for quicker evaporation, helping you stay dry and comfortable.Functional FitThe 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 SpaceWatch windows on either sleeve make it easy to check time. A zip pocket on the left side seam fits items like earbuds, a key or a card.