100 ringspun cotton Ash is 99 cotton, 1 polyester Light Steel is 90 cotton, 10 polyester Charcoal Heather & Oxford Gray are 60 cotton, 40 polyester Ash is 99 cotton, 1 polyester Light Steel is 90 cotton, 10 polyester Double-needle stitching throughout Transitioning to a black tear-away label, may have mixed inventory Shoulder-to-shoulder tape The color Ash is 99 cotton and 1 polyester The colors Light Steel, Clean Mint, Pepper Heather, Mauve Pepper Heather, Sapphire Pepper Heather and Red Pepper Heather are 90 cotton and 10 polyester The colors Charcoal Heather, Grape Smash Heather, Heather Blue, Heather Navy, Heather Red, Military Green Heather and Oxford Gray are 60 and cotton 40 polyester.