Triblends are 3.8 oz., 50/25/25 polyester/ airlume  combed and ringspun cotton/rayon, 40 singles Black Heather is 90/10  airlume combed and cotton ringspun cotton/polyester Marbles are 4.0 oz., 91/9 polyester/ airlume  combed and ringspun cotton, 32 singles All other colors are 3.6 oz., 52/48  airlume  combed and ringspun cotton/polyester, 40 singles Contrast raglan sleeves and neck trim Retail fit, side seams Tearaway label