Fat Guy Friendly Approved or Not
Kingsizedirect Awesome selection, great prices.
Big Mans Land I haven't bought anything from here myself but it looks like they have a good selection. submitted by Jason Greene
Casual Male XL Up to 5x shirts and 60 inch waists in pants and shorts
Marshall's Occasionally some pants and shirts
Cabela's Not a great selection but they have some stuff
Fossil Lot of cool T-Shirts, but they only go to a 2x, nice sunglasses and watches though
Old Navy Don't bother, unless you're buying cheap sunglasses.
The Gap See Old Navy