Carhartt Men's Big & Tall Base Force Extremes Super Cold Weather Quarter Zip Sweatshirt 60% Polyester, 33% Other Fibers, 7% Spandex Imported Machine Wash Fast dry with 37.5 technology Fights odors Mock-neck collar with quarter length zipper Smooth flat lock seams enhance comfort. Drop tail adds coverage 60 percent polyester, 33 percent cocona, 7 percent spandex