Sorel Glacier Boots. You can view these at www.sorel.com. I have hunted coyotes in Saskatchewan from -35 degrees celsius to -5. Have sat in these conditions hunting whitetails for hours on end and never got cold feet with just a pair of wool socks on. I have snowshoed with these on, been up and down every bad coulee hunting and never got a blister. Warmth, especially when sitting for long periods of time these are the best boots bar none this I promise.