Champion Duofold by Women's Tagless Thermals Base-Layer Shirt 6-oz. 60% cotton (for softness)/40% polyester (for durability) Imported 6% cotton (for softness)/4% polyester (for durability) 6% cotton (for softness)/4% polyester (for durability) Sleek feminine fit allows for easy layering. Tag free for itch-free comfort, with non-chafe flat-locked seams.