Men's Long Underwear Tops
78 results
Columbia
Midweight Stretch Long-Sleeve 1/2-Zip - Men's
1 color
Current price: $35.99 Original price: $59.99
40% off
Outdoor Research
Alpine Onset Merino 150 Crew Top - Men's
1 color
Current price: $54.42 Original price: $98.95
45% off
Rab
Force Long-Sleeve T-Shirt - Men's
2 colors
Current price: $27.50 Original price: $55.00
50% off
Icebreaker
200 Oasis LS Crew Top - Men's
4 colors
Current price: $78.75 Original price: $105.00
25% off
(36)
Airblaster
Baselayer Top - Men's
3 colors
Current price: $41.96 Original price: $59.95
30% off
Mons Royale
Icon T-Shirt - Men's
3 colors
Current price: $75.00 - $80.00 Original price: $100.00
Up to 25% off
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Helly Hansen
Verglas 1/2-Zip Top - Men's
1 color
Current price: $40.00 Original price: $80.00
50% off
Duck Camp
Barnburner 1/4-Zip Top - Men's
3 colors
Current price: $109.82 - $116.32 Original price: $178.95
35% off
Backcountry
Cedars RWS Merino Lt-Wt Baselayer Crew Top - Men's
1 color
Current price: $62.30 Original price: $89.00
30% off
Backcountry
Cedars RWS Merino Mid-Wt Baselayer 1/4-Zip Top - Men's
2 colors
Current price: $59.95 - $76.30 Original price: $109.00
Up to 45% off
Backcountry
Cedars RWS Merino Lt-Wt Baselayer 1/2-Zip Scuba Top - Men's
2 colors
Current price: $58.05 - $64.50 Original price: $129.00
Up to 55% off
Smartwool
Intraknit Thermal Merino 1/4-Zip Base Layer Top - Men's
1 color
Current price: $84.00 Original price: $140.00
40% off
Icebreaker
Merino 200 Oasis Long-Sleeve 1/2-Zip Top - Men's
3 colors
Current price: $86.25 Original price: $115.00
25% off
Marmot
Olden Polartec 1/2-Zip Top - Men's
1 color
Current price: $58.48 Original price: $129.95
55% off
Picture Organic
Nangha Print Top - Men's
1 color
Current price: $53.97 Original price: $89.95
40% off
Black Diamond
Solution 150 Merino Base Crew - Men's
1 color
Current price: $74.25 Original price: $135.00
45% off
Patagonia
R1 Air Zip-Neck Top - Men's
1 color
Current price: $83.85 Original price: $129.00
35% off
(16)
WHITESPACE
Merino Mock Neck Top - Men's
1 color
Current price: $83.30 Original price: $119.00
30% off
Patagonia
R1 Thermal Crew - Men's
2 colors
Current price: $80.55 - $89.50 Original price: $179.00
Up to 55% off
Mountain Hardwear
AirMesh Long-Sleeve Crew Top - Men's
3 colors
Current price: $59.99 Original price: $79.99
25% off
Outdoor Research
Alpine Onset Merino 150 Hoodie - Men's
3 colors
Current price: $59.48 - $71.37 Original price: $118.95
Up to 50% off
Burton
AK Slokar Merino Crew - Men's
1 color
Current price: $64.98 Original price: $129.95
50% off
Ortovox
120 Comp Light Hoodie - Men's
1 color
Current price: $66.00 Original price: $120.00
45% off
Smartwool
Classic All-Season Merino Base Layer - Men's
1 color
Current price: $54.00 Original price: $90.00
40% off
Helly Hansen
Lifa Merino Midweight 1/2 Zip Top - Men's
1 color
Current price: $55.00 Original price: $110.00
50% off
(1)
Smartwool
Merino 250 Baselayer Hoodie - Men's
4 colors
Current price: $87.00 Original price: $145.00
40% off
Smartwool
Merino 250 Baselayer Crew - Men's
5 colors
Current price: $69.00 Original price: $115.00
40% off
(20)
Spyder
Pump Lightweight Crew Top - Men's
1 color
Current price: $35.55 Original price: $79.00
55% off
Marmot
Alt HB Pullover Top - Men's
1 color
Current price: $51.98 Original price: $129.95
60% off
Volcom
M V-Science Crew Top - Men's
1 color
Current price: $29.98 Original price: $59.95
50% off
Smartwool
Intraknit Thermal Max Merino 1/4-Zip Baselayer Top - Men's
1 color
Current price: $93.00 Original price: $155.00
40% off
Smartwool
Intraknit Active Base Layer Crew - Men's
1 color
Current price: $66.00 Original price: $110.00
40% off
Smartwool
Classic Thermal Merino Colorblock Crew Base Layer - Men's
2 colors
Current price: $72.00 Original price: $120.00
40% off
Smartwool
Classic Thermal Merino 1/4-Zip Base Layer - Men's
3 colors
Current price: $72.00 Original price: $120.00
40% off
Smartwool
Intraknit Active Seamless Short-Sleeve Top - Men's
2 colors
Current price: $60.00 - $70.00 Original price: $100.00
Up to 40% off
Smartwool
Intraknit Merino 200 Colorblock Crew - Men's
3 colors
Current price: $78.00 Original price: $130.00
40% off
Smartwool
IntraKnit Merino 200 Crew Top - Men's
1 color
Current price: $78.00 Original price: $130.00
40% off
(7)
Swix
RaceX Merino 1/2-Zip Top - Men's
1 color
Current price: $62.96 Original price: $89.95
30% off
Swix
RaceX Classic Long-Sleeve Top - Men's
1 color
Current price: $43.96 Original price: $54.95
20% off
Swix
Dynamic Midlayer 1/2-Zip Top - Men's
1 color
Current price: $103.96 Original price: $129.95
20% off
Spyder
Accord Half-Zip Baselayer Top - Men's
1 color
Current price: $55.00 Original price: $110.00
50% off
Patagonia
Capilene Midweight Zip-Neck Top - Men's
1 color
Current price: $54.45 Original price: $99.00
45% off
(2)