4.2 OUNCE 100 PERCENT COMBED AND RING SPUN COTTON ATHLETIC HEATHER IS 90 PERCENT COMBED AND RING SPUN COTTON/10 PERCENT POLYESTER DARK GREY HEATHER IS 52 PERCENT COMBED AND RING SPUN COTTON/48 PERCENT POLYESTER SIDE SEAMED 30 SINGLES UNISEX FIT