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Explore men’s hiking thermal underwear in lightweight and heavyweight base layers, merino and synthetic knits, crew and long-sleeve tops, and full-length bottoms.
Explore men’s hiking thermal underwear in lightweight and heavyweight base layers, merino and synthetic knits, crew and long-sleeve tops, and full-length bottoms.
Men’s Hiking Base Layers
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20+ stores, 40+ brands, 100+ products
Smartwool
Men's Classic Thermal Merino Base Layer Bottom Boxed
$125
Decathlon
Forclaz Men's MT500 Merino Wool Base Layer Tights
$79.99
Outdoor Research
Men's Alpine Onset Merino 150 Bottoms
$99
+1
Quince
4.9 (121)100% Merino Wool Cold Weather Base Layer Bottoms
$56
Icebreaker
Men's Merino Blend 125 ZoneKnit™ Thermal Leggings
$125
The North Face
4.5 (10)TNF X Smartwool Men’s Merino Blend 150 Bottoms
$90
Fjällräven
Bergtagen Merino 190 LJ M
$145
Zappos
Durawool Pants
$95
Here are men’s hiking base layers across merino + synthetic, lightweight to heavyweight, with tops (crew/long-sleeve) and full-length bottoms.
