Stay warm before and after your workout in the Nike Therma-FIT Pants, a loose-fitting layer of soft and fuzzy French terry fabric that goes on easily over your workout wear. Cinch down the waist to keep the pants in place and the cold at bay. Feature 1:Nike Therma-FIT technology helps manage your body’s natural heat to help keep you warm in cold-weather conditions. Feature 2:Fuzzy French terry fabric feels soft and comfortable. The pants come in a loose fit that layers easily over your workout clothes.