Wow.. I expected more diverse replies. I guess everyone loves Smartwool. I have a few pair and they're pretty thick but I'll check out some other ones and the hot Chilys and Lorpen.

I checked out Sierra Trading Post and I didn't see anything jump out at me..well and most of them didn't have XL so I'll have to do a bit more shopping around.

Any suggestions for the best (cheapest, reliable) wool(drug) dealer out there?