4.1 oz., 95% polyester, 5% combed ringspun cotton; 7.8 oz./lin. yd., 95% polyester, 5% combed ringspun cotton; Contrast color marble yarn; Smooth surface ideal for screen printing; Retail fit; Side-seamed; Tear away label; Every Threadfast product contributes to the “Plant with Threadfast” program. Learn more at threadfastapparel.com/plant-with-threadfast