Baretraps boots - mine are very similar to these (just a bit older):
They survived hiking all over Ireland and kept my feet toasty and warm. I bought 1/2 size up so I could still fit in some heavy wool socks for extra cold days.
To keep the lower face warm and not wind burnt I either use a balaclava (face mask) like this:
Or, I also will wrap a Buff around my neck and pull up around my mouth as needed. It mostly depends on what is clean, but the face mask is a little warmer and stays in place a little better.
Wherever you are, stay warm and keep riding! :-)