Best Merino Wool Clothing (2026): Base Layers, Hoodies, Jackets

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Merino wool is a super fiber that's both natural and highly technical. The best merino wool clothing somehow manages to be comfortable in 95-degree heat, while merino base layers keep you warm well below freezing. Unlike synthetic fibers derived from petroleum, merino wool is renewable.

Merino wool’s versatility means there’s a bewildering array of blends and options. Here are our favorite merino wool products that we've tested by wearing and washing (usually in cold water and hung to dry, although we do machine-dry them just to see what happens) over the course of months and, in some cases, even years. Be sure to also check out our apparel guides, including Best Merino Wool T-Shirts, Best Base Layers, Best Puffer Jackets, Best Hoodies, and Best Hiking Boots.

Updated August 2026: I've added a new section for merino-blend pants and additional everyday wool clothing, and swapped out...

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