"Ultimate Base Layer" - Review of SmartWool Midweight Crew - Men's

Smartwool has made the perfect base layer. Marino Wool wicks moisture, keeps you warm when wet and is soft to the skin. Additionally, hollow crevasses in the fibers trap air, which is then warmed by your own body heat. As a result, the fabric retains heat very well. I've tried various synthetic materials for base layering and have found they aren't as efficient as wool. It would make sense however that cold weather clothing utilizing the fibers used in nature to keep animals warm would prove most effective.
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