Originally Posted by
frankstoneline
get a fatty tube sock and cut the foot off of it. I've found the part synthetic part cotton variety most people wear for soccer works wonders. then, cuff the pant leg, and slide the extra footless sock over your current sock for extra insulation or just straight insulation if your socks arent long enough. I usually pair it with a pair of wool socks in the winter and it does wonders.
I bet you could market this idea.