I have the shirts and have boxed and weighed one, and it comes out to just under a pound!!! The final cost is $12 for the shirt and $4.80 Priority Mail for a total of $16.80 for US delivery. I will need to get with our chums across the pond separately concerning their shipping costs.
Best way is to Pay-Pal me at:
justin<dot>bowser<at>charter<dot>net
As usual, substitute the correct symbols where appropriate