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Shop men’s thermal base layers in lightweight to heavyweights, crew and mock neck tops, matching leggings, and merino, synthetic, and fleece-lined options.
Shop men’s thermal base layers in lightweight to heavyweights, crew and mock neck tops, matching leggings, and merino, synthetic, and fleece-lined options.
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Pick your base layer
Lightweight Merino
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Midweight Merino
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Heavyweight Merino
Explore→
Synthetic Wicking
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Fleece-Lined Warmth
Explore→
Mock Neck Tops
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Matching Leggings
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Base Layer Sets
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Primary use?
Everyday warmth
Ski/Snowboard
Hiking/Backpacking
Running/Training
Workwear/Outdoor job
Preferred fabric?
Merino wool
Synthetic (poly/nylon)
Merino blend
Fleece-lined
What do you need?
Crew tops
Mock neck tops
Leggings
Matching set (top + bottom)
SuggestionsShow me midweight merino crew tops
I want a matching top + leggings set
Show fleece-lined options for maximum warmth
I need lightweight synthetic wicking base layers
Help me choose weight (light/mid/heavy) for my weather and activity
Just show me men's thermal base layers
