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Intraknit Thermal Max Merino Baselayer Bottom - Men's

Out of Stock

Don't worry though, we have a lot more Men's Heavyweight Long Underwear Bottoms in stock than that.

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Why We Like The Intraknit Thermal Max Merino Baselayer Bottom

We don't even think about a snowy trek without pulling on the Intraknit Thermal Max Merino Baselayer Bottom. This toasty pair locks in the heat and wicks away moisture to warm our muscles despite winter's frigid temps. For keeping us cozy, not overheated, and moving free, not chafed, Smartwool had mesh zones knit in to increase airflow, not seams.


  • Fired up baselayer to stay warm on pursuits in icy temps
  • Merino wool blend for thermoregulation and odor management
  • 3D seamless knit provides a boost in mobility and comfort
  • Reflective elements increase your visibility in low light
  • Item #SWLZ8SD
97% merino wool, 2% nylon, 1% elastane
Insulation Weight
natural attribute of merino wool
hiking, mountaineering, winter camping, casual
Manufacturer Warranty
2 year