Blue 61.4% cotton, 23.6% polyester, 15% regenerated cellulose fiber; Black Drawstring: 56.7% cotton, 23% polyester, 19.4% regenerated cellulose fiber, 0.9% other fibers; Blue Drawstring: 35.8% polyester, 33.4% cotton, 29.9% regenerated cellulose fiber, 0.9% other fibers; Yellow Mud: 41.55% polyester, 43.9% cotton, 14.6% regenerated cellulose fiber, 0.9% other fibers