How to choose underwear to maintain the comfort for extra winter protection?

I was a hunter for years (until I broke my neck). On REALLY cold days my Icebreaker Merino Men's Every day Long Sleeve Crewe keep my body warm (it regulates my body temperature). Found it after reviewing base layer for hunting (https://under-the-open-sky.com/best-base-layer-for-hunting/). These things trap sweat and exhaled breath. I miss those times.

Daller
I was a hunter for years (until I broke my neck). On REALLY cold days my Icebreaker Merino Men's Every day Long Sleeve Crewe keep my body warm (it regulates my body temperature). Found it after reviewing base layer for hunting (). These things trap sweat and exhaled breath. I miss those times.

Daller, thanks for the review. I'm new to this forum. For the next season, I thought about looking for underwear but didn't know where to start from. Although there's still time to figure it out