Stay warm during the winter and cool during the summer with our high-tech women’s nike training base layers, perfect for both indoor and outdoor training. You can find both women’s Nike base layer tops and base layer bottoms in this collection, with tights ideal for running outdoors and the tops perfect for just about any exercise. With the iconic Nike Swoosh as a stamp of quality, you know you will both look and feel good. For the full collection, shop Nike for men, women and kids.