It ain't cheap, but a couple of the benefits of the modern wool apparel -- better temperature regulation and I'd estimate 90% less stink:

http://www.ibexwear.com/shop/Product...40&Gender=Mens

These aren't cycling specific, but with cycling liner shorts they work great and are on sale from $140 down to $79 (some folks have commented they're too restrictive, but I don't find that so):

http://www.ibexwear.com/shop/Product...h-Hybrid-Tight