From O'Grady
and the Velo Catalog:

The original Fat Guy jersey (above) -- and a brand-new version for those of us who'd rather not look like a hairy grapefruit wobbling down the road. Click here to order the original ... and here to score the 2003 version, crafted by simple Irish peasants of the finest baby polyesters, and in stock just in time for your local St. Patrick's Day ride-slash-pubcrawl.