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  • Red ribbon with glimmering lights over a snowy background.
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    Ship now for delivery by 12/25.
    Free UPS Standard ground shipping with any order of $99 or more (before taxes or shipping charges) between 9:00 p.m. PST 12/10/2018 and 9:00 p.m. PST 12/13/2018.

    Offer valid at www.columbia.com only between 9:00 p.m. PST 12/10/2018 and 9:00 p.m. PST 12/13/2018. Free UPS Standard ground shipping will be applied automatically at checkout for qualifying orders in the amount of $99.00 or more before taxes or shipping charges. Free ground shipping applies to orders shipped within the contiguous 48 United States only. Offer is not valid for orders shipped to Alaska or Hawaii. Offer may not be applied to prior purchases, combined with any other shipping offer, redeemed by employees, or applied to gift card purchases. 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. ©2018 Columbia Brands USA, LLC. All rights reserved. Expires 12/13/2018.

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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.