SUPERSOFT. SUPER WARM. SUPER COMFORTABLE. The Nike Therma-FIT Pants feel extra warm with soft thermal fabric that wick sweat to keep you dry. They're made with at least 75% sustainable materials, using a blend of recycled polyester and organic cotton fibers. The blend is at least 10% recycled fibers or at least 10% organic cotton fibers. Soft Feel The supersoft fleece interior makes it incredibly comfortable while staying lightweight and warm. Warm Coverage Nike Therma-FIT technology helps manage your body's natural heat to help keep you warm in cold-weather conditions. Ready to move The design is made with a touch of spandex so you move comfortably before and after your workout.