WARMTH WINS. Brave the dropping temperature in the soft comfort of the Men's Nike Therma Sphere Element Running Top. Its sweat-wicking technology and brushed interior surface will help keep you dry while mittens at the end of the sleeves seal in warmth. Nike Therma Sphere fabric manages your body s natural heat. Zippered pocket on the back-left hip secures small items. Thumbholes help secure the sleeve cuffs. Articulated seams map the natural contours of your body to allow natural range of movement. Reflective elements help enhance visibility on low-light runs.