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Women's Thermal Base Layers
Browse women's thermal base layers by weight and warmth, fabric (merino, fleece, synthetics), top and bottom pieces, neckline options, and moisture-wicking stretch fits.
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Pick your base layer
Lightweight Tops
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Midweight Tops
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Heavyweight Tops
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Merino Wool Sets
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Synthetic Quick-Dry
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Fleece-Lined Leggings
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Base Layer Bottoms
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Seamless/Second Skin
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SuggestionsShow me merino wool base layer sets
I want a midweight thermal top for everyday wear
I need heavyweight base layers for very cold weather
Show fleece-lined thermal leggings
I’m not sure—what weight should I get for 20–40°F?
