Cold weather elk hunting brings one solitary thought to my mind in regards to clothing, Filson wool. In cold, nasty, snowy weather my clothing is this: poly pro t-shirt under under poly pro long johns, wool shirt, wool vest, under a wool jacket. Filson is the tightest wool I've had my hands on. My lower half has poly pro long johns, Smart wool socks (actually prefer Darn Tuff Wool socks), White's pack boots, and wool pants (Filson's preferably). If I'm on mule in a snow storm you can add tin cloth chaps, an Outback duster, and a Filson foul weather hat with the sides down to the mix as well.
I don't like being cold, and I never have been with the clothes I listed above. I like the high tech breathable stuff for early or mid season hunting. When it's cold the wool comes out.