Nothing keeps you comfortable in cooler weather than a dependable mid layer. The Hiram pullover is a 25 percent wool/25 percent acrylic/50 percent polyester blend providing all the positives and looks of wool without all the hassle. The bonded mesh lining keeps it feeling comfortable against the skin. Don't worry, we still think about function with a zippered chest pocket and zippered sleeve stash pocket. Flat lock seams throughout reduce the bulk and increase comfort. A proud member of the hairy chest supplement program