The Katabatic Merino Wool Base Layer Bottoms are designed to be your go-to cold-weather essential, offering lightweight warmth, next-to-skin softness, and all-day comfort. These base layer bottoms fit smoothly under ski pants, bushwhacking leggings, or Nordic ski tights, keeping you warm without bulk. Thoughtful details like a wide, comfo
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Soft and warm
I used these as sleep pants on a recent backpack and slept like a baby. Not too hot and not too cold, just right. Easy to pull on and off seated in a tent. Love them.
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Gwen · July 28, 2026
Cozy, Comfy, Warm!
Similar to how I feel about the Isostatic merino top that I ordered, I was so warm in these bottoms! Very soft material and cute. I have only owned a few merino items in my life and they seem to last a long time. I will have these bottoms in my closet for a very long time!
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Evin · March 16, 2024
Happy daughter!
She is all about comfort and softness! She loves these!