Best EXPEDITION base layers & long underwear – Icebreaker review

What are the best long underwear on the market? Aaron has used Ice Breaker underwear, long underwear, and shirts in Antarctica and on Denali. They prevent stink, smell, and keep well through three months of continuous use. Aaron talks about the plusses and minuses of Ice Breaker and wool undergarments, how well they work, and what the downsides are.

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Categories: climbing and gear.