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Men's Thermal & Base Layers
Shop men’s thermal and base layers in lightweight to heavyweight warmth, merino and synthetic knits, crew and mock neck tops, and matching long john bottoms.
Men’s Thermal & Base Layer Tops
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70+ stores, 100+ brands, 200+ products
Arc'teryx
Rho LT Zip Neck Men's
$120
Icebreaker
Men's Merino 200 Oasis+ Long Sleeve Crewe Thermal Top
$120
Quince
4.9 (454)100% Merino Wool All-Season Long Sleeve Base Layer Tee
$44.90
Stio
Men's Basis PeakWool Midweight Crew LS
$149
?
Decathlon
Simond Men's MT500 Long-sleeve 100% Merino Wool T-shirt
$79.99
Fjällräven
Bergtagen Thinwool LS M
$100
REI
2.5 (2)Patagonia Capilene Thermal Weight Zip-Neck Base Layer Top - Men's
$81.73
Big 5 Sporting Goods
Under Armour Men's Armour ColdGear Fitted Crew Shirt
$55
Under Armour
5.0 (4)UA Base™ 4.0
$110
ASRV
1163. LYCRA ae ADAPTIV Baselayer Longsleeve - Amber
$98
Mountain Hardwear
Men's Butter Up™ Long Sleeve
$41.98
Bandit
Men's Mercury Seamless™ Long Sleeve - Ash
$98
Here are men’s thermal & base-layer tops across a few directions (waffle-knit thermals, merino wool, and performance moisture-wicking layers).
Material preference?
Merino Wool
Synthetic Performance
Cotton / Waffle Knit
Wool Blend
Warmth level?
Lightweight
Midweight
Heavyweight
Neck style?
Crewneck
Quarter-Zip
Half-Zip
Henley
SuggestionsShow me merino wool base layers
I want a classic waffle-knit thermal
I need something for high-sweat activities (moisture-wicking)
I’m layering for very cold weather—show the warmest options
Just show me a good all-around pick
