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    1 Colors Available

    $65.00
    A warm and versatile midweight tight, sized Big, that excels in a wide variety of conditions.
  • Skiers in Columbia gear hiking up a snowy mountainside.
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Men's Long Underwear Bottoms
From insulating warmth for frigid days spent on the mountain to lightweight protection for charging up the trail, you'll find comfort and performance with men's long underwear baselayers from Columbia Sportswear. Not your father's long underwear, these bottoms are next-generation designs for outdoor pursuits, whether it's high-altitude adventures or high-octane athletics.

With features like comfort stretch fabric, thermal-reflective lining, and moisture-wicking technology, you'll stay comfortable and protected in all conditions. And with a range of sizes and styles, you'll find the right fit for whatever the day brings.