The Eskimo® Shanty Boss Quarter-Zip Pullover is made from wicking, medium-weight polyester/spandex blend fabric that is smooth on the outside for layering and soft on the inside for comfort. In addition, it features raglan sleeves with thumbholes and lighter stretch mesh on the side panel/undersleeve for breathability. FEATURES: Wicking medium weight polyester/spandex blend fabric is smooth on the outside for layering, soft on the inside Lighter stretch mesh used in side panel/undersleeve for comfort and breathability where it is needed 1/4 zip with collar Flat seams for comfort No side seams or seam in the under arm for comfort Raglan sleeves with comfortable thumbholes for layering Manufacturer’s 1-Year Limited Warranty