Featured
Most Popular
Newest
Highest Rated
Price: High to Low
Price: Low to High
2 products
Featured
Most Popular
Newest
Highest Rated
Price: High to Low
Price: Low to High
  •  
    1 Colors Available

    $38.90 $65.00
    A toasty baselayer with thermal reflective waffle fabric for dynamic activity in the deep cold.
  •  
    1 Colors Available

    $41.25 $55.00
    A warm and versatile midweight tight that excels in a wide variety of conditions.
  • Winter Sale. A red overlay over a snow forest setting. winter sale

    UP TO 40% OFF
    SELECT GEAR

Back to Top

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.