Nike Men's Therma-FIT 1/2-Zip Fleece Pullover Designed for warmth and built for performance, this moisture-wicking Nike Therma-FIT style features a zip-through collar, reverse coil zipper, raglan sleeves, open cuffs and an open hem with side vents. The contrast heat transfer Swoosh design trademark is on the left sleeve. Made of 7-ounce, 100% polyester Therma-FIT fabric.