Bella + Canvas - Unisex Jersey Tank - 3480 100% Cotton 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.