This shirt has the Top Hopper quote, "HOW DO YOUR HOPS STACK UP", on it. These shirts are the most comfortable shirt you'll ever wear. The shirt is a ring-spun cotton t shirt that provides an extremely soft feel and a great look. The white, black, blue and orange shirt is 100% combed ring-spun cotton and the grey shirt is 90/10 cotton/polyester. You will love this shirt!