The ANSI 107 Compliant t-shirt is made from wicking polyester and it has one pocket. This t-shirt is 100% polyester and it has a Whisk-It treatment that opens up the sealed yarn fibers which wicks away perspiration from the body. This shirt is more cool and comfortable than cotton. The Class 3 t-shirt has 3M Scotchlite reflective tape and it is sold individually.