Meet your new go-to for training in the cold. With smooth, stretchy fabric and our insulating Therma-FIT technology, these Nike Pro leggings help keep you warm in chilly temperatures.Stay warmNike Therma-FIT technology helps manage your body's natural heat to help keep you warm in cold-weather conditions.Stay ComfortableSmooth, stretchy fabric and a wide elastic waistband lay flat against your skin to help hold the leggings in place as you move.