Nike THERMA ESSENTIAL are made from thicker material so you can keep your training schedule even in colder weather. They are easy to enter and remove and can be layered. The warm Nike Therma material maintains body heat inside. The sweatpants come in a tapered fit. Ankle zippers make entry and removal easy. The Dri-FIT technology wicks sweat away from the skin so you can focus on your goal. Tthe two pockets will store all your essentials.