The inner layer is 100 percent bamboo charcoal, which is naturally antimicrobial, while the outer layer is a poly-and-merino blend. Upshot: It’s surprisingly warm for its weight, and I couldn’t stink it up no matter how hard I tried.
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The inner layer is 100 percent bamboo charcoal, which is naturally antimicrobial, while the outer layer is a poly-and-merino blend. Upshot: It’s surprisingly warm for its weight, and I couldn’t stink it up no matter how hard I tried.