i used to get cold feet all the time too. i have two pairs of boots... one pair for lightweather bowhunting, and any kind of hunting with lots of walking (pheasants rabbits ect.) a couple months ago, i bought a pair of irish setter snow claws for cold weather hunting. at 180 bucks they're pretty pricey, but definitely worth every penny. i had a liner sock on with a heavy treestand wool sock over that. the temperatures were dipping below 0 and the wind was out of the north at about 20. that puts the windchill somewhere in the -20 neighborhood, and my feet were completely warm.