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Men's Thermals & Long Underwear

28 items

Rumpl X Carhartt

Get back to the land

We collaborated with our friends at Rumpl to make durable, adventure-ready gear for anywhere you go.

shop the collab

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Carhartt Men's NAVY HEATHER Base Force® Heavyweight Quarter-Zip
3 colors

Base Force® Heavyweight Quarter-Zip

Original Price: $49.99 — $61.99
Now: $54.99 — $61.99
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Carhartt Men's SUPER DUX 5" Basic Boxer Brief Printed 2-Pack
3 colors

5" Basic Boxer Brief Printed 2-Pack

Original Price: $29.99
Now: $20.24 — $29.99
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Carhartt Men's BLACK HEATHER Base Force® Heavyweight Poly-Wool Bottom
3 colors

Base Force® Heavyweight Poly-Wool Bottom

$44.99 — $55.99
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Carhartt Men's BLACK HEATHER Base Force® 100% Cotton Midweight Crew
2 colors

Base Force® 100% Cotton Midweight Crew

$34.99 — $44.99
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Carhartt Men's BLACK HEATHER Base Force® 100% Cotton Midweight Bottom
2 colors

Base Force® 100% Cotton Midweight Bottom

$34.99 — $44.99
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Carhartt Men's Navy Base Force® Lightweight Bottom
2 colors

Base Force® Lightweight Bottom

$24.99 — $31.99
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Carhartt Men's Black Classic Cotton-Poly Union Suit
2 colors

Classic Cotton-Poly Union Suit

$49.99 — $52.99
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Carhartt Men's SHADOW HEATHER Base Force® Heavyweight Bottom
2 colors

Base Force® Heavyweight Bottom

$44.99 — $55.99
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Carhartt Men's SHADOW Base Force® Midweight Classic Crew
3 colors

Base Force® Midweight Classic Crew

$34.99 — $44.99
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Carhartt Men's Black Base Force® Midweight Classic Bottom
1 color

Base Force® Midweight Classic Bottom

$34.99 — $44.99

Men's Base Layers

Since the hardworking men of this country are superheroes in our eyes, we created a line of thermals that work just as hard as they do. Carhartt men's thermals offer three levels of warmth with sweat-wicking, stain-fighting, odor-fighting super powers. From shirts to men's thermal pants, these base layers feature our exclusive Carhartt technologies such as FastDry® and Rugged Flex®. When those record lows and intense snowstorms hit, our thermals will have you covered and hold in that necessary warmth. Our men's thermal shirts are available in crewneck or quarter-zip neck with tagless labels for increased comfort, because no one wants to feel that tag itch at their skin all day. Options available range from lightweight to super-cold weather long johns.