4.2 oz., 100%  airlume combed and ringspun cotton, 32 singles Ash is 99/1 airlume  combed and ringspun cotton/polyester Athletic Heather and Black Heather are 90/10  airlume combed and ringspun cotton/polyester Alternate Heather Colors are 52/48  airlume  combed and ringspun cotton/polyester Triblends are 3.8 oz., 50/25/25 polyester/ airlume  combed and ringspun cotton/rayon, 40 singles Neons are 3.6 oz., 52/48 combed and ringspun cotton/polyester, 40 singles Side seams, retail fit Unisex sizing Available in two-tone color options Tearaway label