Just found these on ebay. They have them in tee shirts and sweatshirts. I'll be ordering some of these babies .
http://cgi.ebay.com/ebaymotors/ws/eBayISAPI.dll?ViewItem&category=50429&item=2448963481
http://cgi.ebay.com/ebaymotors/ws/eBayISAPI.dll?ViewItem&category=50429&item=2448963481