Originally Posted by
acecrackshot
Now I’m covered in a thick layer of fat, but honestly I think the Karbon without the under layer is plenty warm for just about anything pilots usually do for weather in the lower 48.
I'd also add that the current version of the Karbon is
way warmer than the original one. With the original, you probably need the puffy layer, but with the current one, I've never felt the need.