Blue/Black Fabric 1: 65.6% cotton, 22.2% polyester regenerated cellulose fiber, 10.8% other fibers, 1.4% Blue Fabric 2: 74.5% cotton, 17.7% polyester, 7.8% regenerated cellulose fiber, 4% Blue Fabric (after Batch Update): 90.2% cotton, 5.8% polyester, 4% regenerated cellulose fiber