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Explore men's hunting thermal underwear in lightweight to heavyweight baselayers, merino and synthetic knits, crew and mock neck tops, plus leggings for cold sits.

Explore men's hunting thermal underwear in lightweight to heavyweight baselayers, merino and synthetic knits, crew and mock neck tops, plus leggings for cold sits.

Men's Hunting Baselayers

Status30+ stores, 50+ brands, 100+ products
Men's Merino Blend 125 ZoneKnit™ Thermal Leggings
Icebreaker

Men's Merino Blend 125 ZoneKnit™ Thermal Leggings

$125
Men's Classic Thermal Merino Base Layer Bottom
Smartwool

Men's Classic Thermal Merino Base Layer Bottom

$125
Warm Cotton Long Tights
Muji

Warm Cotton Long Tights

$14.99
Men's Omni-Heat Infinity Baselayer Tights
Columbia
Star rating4.5 (104)

Men's Omni-Heat Infinity Baselayer Tights

$70
Men's Base Layer Thermal Pants - Carhartt Force® - Heavyweight - Synthetic Wool-Blend Fleece
Carhartt
Star rating4.0 (1)

Men's Base Layer Thermal Pants - Carhartt Force® - Heavyweight - Synthetic Wool-Blend Fleece

$71.99
FRANC - 6524541 Iceland
RUDSAK

FRANC - 6524541 Iceland

$245
Bergtagen Merino 190 LJ M
Fjällräven

Bergtagen Merino 190 LJ M

$145
Mountain Warehouse Black Keep The Heat Iso Thermals
Next

Mountain Warehouse Black Keep The Heat Iso Thermals

$36

Here are men’s hunting-ready thermal baselayers across merino + synthetic, from lightweight to heavyweight, including tops and leggings for long cold sits.

Baselayer weight?

Lightweight
Midweight
Heavyweight

Material?

Merino wool
Synthetic
Merino blend

What pieces do you need?

Top
Leggings/Bottom
Set (top + bottom)
SuggestionsSuggestions
Show me heavyweight options for long cold sits
I want merino tops (crew + mock neck)
Show synthetic baselayer leggings for very cold weather
I need a full set (top + bottom)
Help me choose the right weight for my temps and activity level
Just show me more options to browse
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