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Price: Low to High
  •  
    2 Colors Available

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

    $95.00
    A lightweight pullover built for comfort with wicking fabric and a thermal-reflective liner.
  • Two hikers looking out at the ocean. Get 3X points on all Columbia gear.
    Every Tuesday,
    Greater Rewards members get
    triple points on all Columbia gear.
    Greater Rewards members receive triple reward points on purchases of all products on select Tuesdays between 12:00 a.m. Pacific Time and 11:59 p.m. Pacific Time.

    Greater Rewards members receive triple reward points on purchases of all products online at www.columbia.com or at any Columbia Sportswear retail or outlet store in the U.S. on the following Tuesdays: 9/17/19, 9/24/19, 10/01/19, 10/08/19, 10/15/19, 10/22/19, 10/29/19, 11/05/19 between 12:00 a.m. Pacific Time and 11:59 p.m. Pacific Time. Greater Rewards members must sign in to their accounts on www.columbia.com or present membership information to cashier before completing purchase. Restrictions apply. For complete details, see the Greater Rewards Program Terms and Conditions. Points are not earned on prior purchases, gift card purchases, taxes, shipping and handling costs, or other fees or services. Columbia reserves the right to change or cancel this offer at any time. Offer is void where and to the extent prohibited by law, restricted, or taxed and if assigned, transferred, sold, bartered, or reproduced. Customer pays applicable taxes. Columbia and the Columbia design logo are registered trademarks of Columbia Sportswear North America, Inc. ©2019 Columbia Brands USA, LLC. All rights reserved. Expires 11/05/19.

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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.