Women's Omni-Heat™ Infinity Baselayer Crew

Men's Omni-Heat™ Midweight Baselayer Crew

, This performance top is the perfect first layer in winter, or a stand-alone in spring or fall. Our thermal-reflective lining holds heat in,

Columbia Men's Omni-Heat™ Midweight Baselayer Crew

Women's Omni-Heat™ Infinity Baselayer Crew

Men's Omni-Heat™ Midweight Baselayer Crew

Women's Omni-Heat™ Infinity Knit Baselayer Crew

Columbia Omni-Heat™ Infinity Knit Long Sleeve Crew

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Columbia Womens Midweight Omni Heat Half Zip Baselayer Top Blouse

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Columbia Omni-Heat™ Infinity Knit Long Sleeve Crew

Omni-Heat Technology from Columbia Sportswear

Columbia Omni Heat 3D Knit Crew II Base Layer Blue

Women's Omni-Heat™ Midweight Baselayer Crew

Women's Omni-Heat™ Midweight Baselayer Crew

Columbia Women's Omni-Heat™ Midweight Baselayer Crew