King of the Mountain Bomber Hat...I've got 2 of them, one of the originals with the pile lining on the ear flaps, and the latest with the double layer of wool on the flaps.

https://kingofthemountain.com/shop/hats-caps/bomber-hat/

I did just order a Sitka Jetstream hat:

https://www.rogerssportinggoods.com/Sitka-Jetstream-Hat-OSFA