Shelter is one of the most important elements of survival and your first line of shelter is your clothing let's talk about the four w's the best way to preserve your heat in cold weather environment the first thing is is wicking some kind of wicking base layer that removes moisture from your body this can be something like this under.

Armour shirt or a merino wool long johns the next thing is a warming layer something that goes on top of that base layer and that would be some kind of insulation it could be a down inner jacket like this it could be a fleece jacket could be a wool sweater the next thing is windy and wet and i usually put these two together because you can.

Defeat both with something like a good gore-tex or a poncho something to stop wind from the wind chill from removing heat from your body through convection also something to stop the wet from penetrating getting to your skin and making you cold another thing is don't forget your extremities gloves socks and.

Hat and that's how you stay warm in a cold weather environment