Using insights from runners like you, Nike prioritized functionality to refresh their Swift essentials. This lightweight top has been designed to help reduce chafing and improve breathability. It's soft and sweat-wicking so you can focus on your miles, and nothing else. Fit & Design: Modified raglan sleeves with the optimal length are designed to help reduce underarm chafing and allow for a wider range of motion Nike Dri-FIT technology moves sweat away from your skin for quicker evaporation, helping you stay dry and comfortable Large mesh panel on the back helps moisture escape Tapered around the waist so that layering with other pieces is easier A curved hem helps keep you covered through your stride Reflective Swoosh logo on left chest Reflective graphics on sides and back