I have this little listing from playing with the idea of designing jerseys:

http://www.customsublimation.com/index.html

http://www.aussieapparel.com/Aussie%...%20catalog.htm

http://www.voler.com/

http://www.bikeatac.com/2005/semi-custom-jerseys.html

http://www.hiddenbaysports.com/

http://www.hincapiesports.com/sportswear/index1.html

That oughta get ya started!

spazz-o-encyclopeadia