45% polyester, 38.7% cotton, 15.2% regenerated cellulose fiber, 1.1% other materials; Batch 2: Blue *35.8% polyester, 33.4% cotton, 29.9% regenerated cellulose fiber, 0.9% other fibers, Black *56.7% cotton, 23.0% polyester, 19.4% regenerated cellulose fiber, 0.9% other fibers