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

    $90.00
    An athletic long-sleeve with moisture-wicking fabric and advanced thermal-reflective lining.
  •  
    3 Colors Available

    $55.00
    A versatile baselayer with ergonomic seaming that wicks sweat and reflects body heat back to you.
  •  
    3 Colors Available

    $60.00
    A half-zip top with ergonomic seaming that wicks sweat and reflects body heat back to you.
  • Skiers in Columbia gear hiking up a snowy mountainside.
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Men's Baselayer Tops
Whether you're looking for foundational warmth, lightweight performance, or both, men's baselayer tops from Columbia Sportswear have you covered. The next-generation version of long underwear, these layers are built for protection, performance, and comfort while you're active outdoors in all kinds of weather.

From skiing and hunting to hiking and running, these fitted styles complement your outerwear with core warmth and comfort. And with a variety of sizes, styles, and features (like thermal-reflective, sweat-wicking, comfort stretch fabric) to choose from, our selection of versatile and durable base layers deliver year-round.