I've found two videos on YouTube that are, I think, relevant and concise about proper cold weather clothing. If you are already a cold weather adventurer, you won't find anything new, here. For those of us not so sure about proper clothing in the colder extremes, I think these can help.
https://youtu.be/KD-C-XVGDSM This whole video is useful. I don't particularly agree about the gloves because they are not waterproof, but everything else seems reasonable.
https://youtu.be/42I0yiHQwec Skip ahead to the 2:50 mark to start this one. These guys are in Yellowstone and it is freaking cold.
I'm always looking for suggestions for cold weather adventures, please feel free to share any ideas you may have.