6.5 oz., 52/48 airlume combed and ringspun cotton/polyesterAthletic Heather is 90/10 airlume combed and ringspun cotton/polyesterNavy Heather is 60/40 airlume combed and ringspun cotton/polyesterDigitals are 100% polyester, 32 singlesMarbles are 85/15 airlume combed and ringspun cotton/polyesterNeon...