Definitely, might take a trip into town tomorrow!
Not sure if will be open on bank holiday Monday.
I hope to pick one up this week. They had them in the window and they looked to be printed on Gildan t-shirts. Hopefully the quality is ok. I hope you manage to get one. As I said, they were up in the window on Friday night. I can't vouch for availability since then, though.
Edit: Just checked the name of the shop. It's called The Gallery.