The fine-micron wool construction of our baselayers features a thin inner layer of high-performance wicking yarns designed to pull moisture off the body and disperse it on to the outer-facing surface of the fabric. 

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AIR-1
Lowest Air Flow. All-Weather. For ultimate protection and comfort in unpredictable conditions. Featuring our patented CORE CONSTRUCTION® Technology for unprecedented air regulation and comfort.
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AIR-2
Medium Air Flow. Midweight. Ideal for all-day, multi-season use. Featuring a durable water-repellent outer wool surface paired with a soft, fleecy inner wicking layer.
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AIR-3
Highest Air Flow. Ultralight. Ideal for warm weather and/or highly aerobic conditions. Featuring a fine-micron merino wool outer surface paired with a high performance inner wicking liner.
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