Yoda is 50/50 cotton and polyester and the IZOD shirt is 100% cotton. The Yoda shirt looks barely worn, and the saltwater shirt is still in very good condition. It's like buying the Yoda shirt and getting the IZOD shirt for free!  Yoda is 29" and IZOD is 30". Underarm to underarm Yoda shirt is 24" whereas the burgundy shirt measures 26" underarm to underarm. We have a non-smoking home.