• Nike Dri-FIT Technology moves sweat from your skin for quicker evaporation—helping you stay dry and comfortable • Invisible Thumb Loops help hold the sleeves in place as you move • Stretchy fabric is made to move with you to stay out of your way • Slim fit • The slim fit features a mock neck and 1/4-length zip so you can easily adjust your fit • Fabric: 91% polyester. 9% elastane