Peter Draws: Chameleon Shirt Solid colors: 100% Cotton; Heather Grey: 90% Cotton, 10% Polyester; All Other Heathers: 58% Cotton, 42% Polyester Imported Machine wash cold with like colors, dry low heat If you put on this shirt, then you don't need to put on a shirt anymore. The tag probably won't be that itchy in the back. Then again, it's pretty easy to cut off if it is. This premium t-shirt is made of lightweight fine jersey fabric Fit: Slim (consider ordering a larger size for a looser fit)