The Nike Dri-FIT Miler Women's Running Tank Top is made for the long haul. Sweat-wicking fabric helps keep you dry, while an ultra-breathable construction helps keep you cool, for total comfort from mile one to done. Stay Dry Dri-FIT Technology helps keep you dry and comfortable by wicking sweat away from your skin to the fabric's surface, where it quickly evaporates. Stay Cool Mesh throughout the back and the front straps help your body heat escape so you can stay cool, especially if you' re wearing a backpack throughout your run or your day. Stay Comfortable A classic racerback design helps your arms move freely and creates a breezy, light feel.