The BladeForums.com 2024 Traditional Knife is available! Price is $250 ea (shipped within CONUS).
Order here: https://www.bladeforums.com/help/2024-traditional/
Don't forget to consider if it's that cold, you're going to need gloves anyway, so you'll need some texture or grippiness on the handle.
That said, I'd go with birch bark as that is the material used on blades carried by people living in the Arctic North.
What is KRATON ????