Your typical 100% cotton t-shirt (except for Heather Grey, Dark Heather Grey, Heather Green, and Heather Blue colors that contain polyester). Pre-shrunk to make sure your size is maintained throughout several washes, and a classic fit. • 100% combed ringspun cotton • Heather Grey is 90% combed ringspun cotton and 10% polyester • Dark Heather Grey, Heather Green, and Heather Blue are 35% combed ringspun cotton and 65% polyester