People have been wearing woolen garments, spun from the fleece of sheep, since prehistoric times. But unlike most other caveman fashion choices (hello, leather loincloths!), wool has remained at the core of how we garb ourselves, and it’s good for much more than getting cozy in wool sweaters and shawls. Clothing manufacturers are making 100% Merino wool yoga pants and running wear—and for good reason. Though it’s a low-tech, natural fiber, wool ranks right up there with any state-of-the-art performance fabric you can think of, thanks to wool’s natural properties. Plus, wool’s a sustainable and biodegradeable fabric–and, if you care for wool correctly, it will last decades.
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