I gotta agree with leatherneck. I'm a wool fanatic. Spend the money and buy some of the good stuff. I'm a big fan of both grey wolf and sleeping indian. Never Tried KOM, but have heard alot of good things about it. By far the most usefull pieces of wool I own, are the smartwool long underwear. I wear it nearly everyday from October through March for both hunting and for work. Get both weights. Layer accordingly, and you will be warm. I have a pair of excellent bibs from Grey wolf, but to be honest, since getting the smartwool long underwear, I have not even put them on in the last 2 seasons. This stuff solves the wind blocking problems that others have experienced with wool.
Also, never put cotton on underneath wool. The two fibers fight each other, and you will be cold. Wear quality wool long underwear underneath and you will be glad you did.