Batch 1: (Nostalgic Blue) 89.2% cotton, 8.5% polyester, 2.3% regenerated cellulose fiber; (Blue) 90% cotton, 4% polyester, 6% polyester; (Yellow Mud) 87% cotton, 7% polyester, 6% regenerated cellulose fiber; (Black) 98% cotton, 2% polyester; (Nostalgic Blue Fleece-Lined) Outer: 78.4% cotton, 13.8% regenerated cellulose fiber, 7.8% polyester; Base: 82% polyester, 18% elastane; Batch 2: (Nostalgic Blue) 84.5% cotton, 10.2% polyester, 5.3% Recycled Fiber; (Black) 76% cotton, 20% polyester, 4% viscose