Nenets people who still live their traditional nomadic way use 2 layers of reindeer skin canvas to cover their chum (tent).
In mid winter daily temperatures reside around minus 40 - 50 Fahrenheit.
This is a photograph of Anastasia standing next to her home.
Lens: Canon 16-35 f2.8
Settings: 1/400 sec; f/2.8; ISO 640