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.
\n\nMerino 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.
\n\nUpdated August 2026: I've added a new section for merino-blend pants and additional everyday wool clothing, and swapped out a few sold-out items for this autumn's new arrivals. I've also updated prices and links throughout.
\n\nMerino wool is great because you're borrowing a sheep's ability to keep itself warm or cool based on the temperature, a process often referred to as thermoregulation. If you've only ever worn the sort of itchy wool sweaters your…
Original source: https://www.wired.com/