4.3 oz., 60% combed ringspun cotton, 40% polyester; Navy and Black are 100% Cotton; 6.97 oz./lin. yd., 60% combed ringspun cotton, 40% polyester; Preshrunk, CVC fabric with soft, smooth finish; Retail fit; Side-seamed; Tear away label ; Every Threadfast product contributes to the Plant with Threadfast program