COZY, STRETCHY LAYER PERFECT FOR CHILLY DAYS. Ideal for running on cooler days, the Nike Swoosh Women's 1/2-Zip Running Top covers you in sweat-wicking comfort. It's built to move with you and allow for easy layering as you run. Thumbholes help keep sleeves in place and provide warmth. Dri-FIT technology helps you stay dry and comfortable. Stretchy ribbed panels give a snug feeling. Standard fit follows your shape with room for layering. Reflective bar on back helps you stand out from the crowd.