Hanes Dyed Tank-Top (Black and Grey 4-Pack) cotton, polyester Super-soft cotton knit feels great against your skin Fine ribbing adds natural stretch, for sleek, shape-keeping fit Durably bound armholes resist stretch-out and rip-out Tag-free design gives you itch-free comfort Clean-finished longer hem stays neatly tucked (33" length) Fiber Content: "Solids : 100% Cotton/ Heathers: 75% Cotton, 25% Polyester"