The shirt's a little small, but it fits somewhat fine for me. I measured the bottom per request from Chip if it were flattened on a table (not stretched out). 20.5"
If the store I'm getting it from is still handing these out, you can have it:
This the back of the fan.
Anyway, while supplies last. I'll get it first, you can pay later. If you don't pay, I'm going to give it to someone else for half the price just to be a dick.