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Men's Base Layer Tops

(100 results)

Choose a base layer that's best for...

Choose a base layer that's best for...

warmer climates or strenuous activity

Ultralightweight

year-round use & lots of adventures

Lightweight

changing seasons & various activities

Midweight

winter, staying warm or moving slowly

Heavyweight

5 colors available
REI Co-op
Merino Midweight Base Layer Top - Men's
$38.83 - $79.50
4 colors available
REI Co-op
Merino Midweight Half-Zip Base Layer Top - Men's
$43.83 - $89.50
3 colors available
Smartwool
Merino 150 Base Layer T-Shirt - Men's
$51.93 - $75.00
3 colors available
Patagonia
Capilene Lightweight Long Underwear Crew Top - Men's
$49.00
2 colors available
REI Co-op
Lightweight Base Layer Half-Zip Top - Men's
$39.50
3 colors available
REI Co-op
Lightweight Base Layer Long-Sleeve Crew Top - Men's
$34.50
2 colors available
Smartwool
Merino 150 Crew Base Layer Long-Sleeve Top - Men's
$80.00
2 colors available
Patagonia
Capilene Midweight Long Underwear Crew Top - Men's
$40.73 Compared to$59.00
You save 30%
2 colors available
Smartwool
Merino 250 Base Layer Quarter-Zip Top - Men's
$69.73 Compared to$100.00
You save 30%
4 colors available
REI Co-op
Midweight Base Layer Crew Top - Men's
$24.83 - $49.95
Smartwool
Merino 150 Base Layer T-Shirt - Fire Red - Men's
$51.73 Compared to$75.00
You save 31%
2 colors available
Smartwool
Merino 150 Pattern Crew Base Layer Long-Sleeve Top - Men's
$39.83 - $80.00
3 colors available
Smartwool
Merino 250 Base Layer Quarter-Zip Top - Men's
$69.93 - $100.00
Smartwool
Merino 150 Pattern Crew Base Layer Long-Sleeve Top - Men's
$55.73 Compared to$80.00
You save 30%
2 colors available
REI Co-op
Silk Long-Sleeve Crew Shirt - Men's
$49.95
3 colors available
Smartwool
Merino 250 Base Layer Crew Top - Men's
$95.00
Smartwool
NTS Micro 150 Pattern Crew Top - Men's
$55.73 Compared to$80.00
You save 30%
Terramar
Military Fleece Long Underwear Crew Top - Men's
$20.73 Compared to$33.00
You save 37%
4 colors available
Patagonia
Capilene Midweight Zip-Neck Long Underwear Top - Men's
$33.83 - $69.00
2 colors available
Patagonia
Capilene Thermal Weight Zip-Neck Top - Men's
$99.00
2 colors available
Patagonia
Capilene Thermal Weight Long Underwear Crew Top - Men's
$89.00
4 colors available
REI Co-op
Midweight Base Layer Half-Zip Top - Men's
$26.83 - $54.95
2 colors available
Smartwool
Merino 150 Crew Long-Sleeve Base Layer Top - Fire Red - Men's
$55.73 Compared to$80.00
You save 30%
3 colors available
Smartwool
Merino 150 Pattern Base Layer T-Shirt - Men's
$75.00
2 colors available
Smartwool
Merino 250 Base Layer Crew Top - Men's
$65.73 Compared to$95.00
You save 30%
2 colors available
Smartwool
Merino 250 Base Layer Pattern Crew Top - Men's
$105.00
3 colors available
Patagonia
Capilene Air Crew Base Layer Top - Men's
$129.00
4 colors available
Patagonia
Capilene Midweight Crew Long Underwear Top - Men's
$59.00
2 colors available
Patagonia
Capilene Air Hoodie - Men's
$149.00
Patagonia
Capilene Thermal Weight Zip Hoodie - Men's
$119.00