Juss ask someone in TnT or one of the other islands to purchase one and mail it up for you. There were many styles (and teams) to choose from when I got my one. However the girls in the store did say that people were buying them up really fast..and this was about4-5 weeks before the whole show started.
BTW,.. there were different styles of shirts (men and women), flags, 2 different types of hats, beer glass, beer bottle cooler thing.. real merchandise to choose from. And the good part..they all seem to be good quality.