Hi Kim, those look really nice... But I run in -15 to -20c and I use my regular running shoes, once I start running and sweating my feet warm up just like the rest of body...
I guess I would be concerned about proper support. I can go from fine to in pain in one run if I go too neutral or too motion control.
I dont run in terribly cold, but I did do one snowy run in my normal shoes and my ski socks and other than having to loosen laces up quite a bit it worked great.