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Men's Base Layers for Outdoor Work
Shop men's base layers for outdoor work, from lightweight crew and long-sleeve tops to thermal sets in merino or synthetic blends with sweat-wicking, odor control, and stretch.
Men’s Base Layer Tops
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50+ stores, 80+ brands, 200+ products
Carhartt
4.5 (4)Force Heavyweight Stretch Base Layer Crewneck
$54.99
Carhartt
4.6 (49)Men's Base Layer Quarter-Zip Thermal Top - Carhartt Force® - Heavyweight
$60.99
Arc'teryx
Rho SV Zip Neck Men's
$140
Filson
400g Merino Wool Long Sleeve Half-zip - Black
$229
REI
4.5 (42)Icebreaker Merino 260 Tech Long-Sleeve Half-Zip Thermal Base Layer Top - Men's
$99.73
Evo
Helly Hansen Lifa Merino Midweight 1/2 Zip Base Layer Top
$92
Icebreaker
Men's Merino 200 Oasis+ Long Sleeve Crewe Thermal Top
$120
Stio
Men's Basis PeakWool Midweight Crew LS
$149
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Decathlon
Simond Men's MT500 Long-sleeve 100% Merino Wool T-shirt
$79.99
Outdoor Research
Men's Alpine Onset Merino 150 Crew
$99
+1
Quince
4.9 (454)100% Merino Wool All-Season Long Sleeve Base Layer Tee
$44.90
Big 5 Sporting Goods
Under Armour Men's Armour ColdGear Fitted Crew Shirt
$55
Men’s Base Layer Bottoms
40+ stores, 70+ brands, 200+ products
Carhartt
4.4 (5)Force Heavyweight Stretch Base Layer Pant
$54.99
Carhartt
4.0 (1)Men's Base Layer Thermal Pants - Carhartt Force® - Heavyweight - Synthetic Wool-Blend Fleece
$71.99
Big 5 Sporting Goods
Carhartt Force Midweight Waffle Baselayer Pants
$34.99
Arc'teryx
Rho SV Bottom Men's
$120
Zappos
Rho LT Bottoms
$100
ASOS
ASOS 4505 Ski thermal ribbed fleece lined sweat wicking base layer leggings in black
$49
Big 5 Sporting Goods
Nike Men's Pro Warm Tights
$24.97
32 Degrees
MEN'S LIGHTWEIGHT BASELAYER LEGGING
$6.99
Patagonia
4.5 (169)Men's Capilene® Midweight Bottoms
$61.99
Outdoor Research
Men's Alpine Onset Merino 150 Bottoms
$99
+1
Black Diamond
Men's Coefficient LT Pants
$129
Aether Apparel
Premium Merino Base Layer Pant
$125
Here are solid men’s base layer tops and bottoms that work well for outdoor jobs—mix of heavyweight thermals, merino, and moisture-wicking synthetics.
What temps are you working in most?
Above 40°F
20–40°F
0–20°F
Below 0°F
Preferred material?
Merino wool
Synthetic (poly/nylon)
Wool blend
Fit preference?
Compression/tight
Regular
Relaxed
SuggestionsShow me the warmest heavyweight options
I sweat a lot—show moisture-wicking base layers
I want merino wool (less stink) options
Help me choose the right weight for my weather
