Men's Long Underwear Tops
79 results
Icebreaker
260 ZoneKnit 1/2-Zip Long-Sleeve Top - Men's
1 color
Current price: $87.50 Original price: $175.00
50% off
Swix
RaceX Classic Long-Sleeve Top - Men's
1 color
Current price: $43.96 Original price: $54.95
20% off
Under Armour
Packaged Base 4.0 1/4-Zip Top - Men's
1 color
Current price: $65.99 Original price: $109.99
40% off
Flylow
Bobby Fleece One-Piece - Men's
2 colors
Current price: $89.98 Original price: $179.95
50% off
Ortovox
120 Comp Light Hoodie - Men's
1 color
Current price: $66.00 Original price: $120.00
45% 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
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Swix
RaceX Merino 1/2-Zip Top - Men's
1 color
Current price: $62.96 Original price: $89.95
30% 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
Marmot
Olden Polartec 1/2-Zip Top - Men's
1 color
Current price: $58.48 Original price: $129.95
55% off
Outdoor Research
Alpine Onset Merino 150 Crew Top - Men's
1 color
Current price: $49.48 Original price: $98.95
50% off
Smartwool
IntraKnit Merino 200 Crew Top - Men's
1 color
Current price: $71.50 Original price: $130.00
45% off
(7)
Smartwool
Merino 250 Baselayer Crew - Men's
5 colors
Current price: $57.50 - $69.00 Original price: $115.00
Up to 50% off
(20)
Outdoor Research
Alpine Onset Merino 150 1/4-Zip Top - Men's
1 color
Current price: $49.03 Original price: $108.95
55% off
Rab
Force Long-Sleeve T-Shirt - Men's
1 color
Current price: $27.50 Original price: $55.00
50% off
Smartwool
Intraknit Active Base Layer Crew - Men's
1 color
Current price: $66.00 Original price: $110.00
40% off
Smartwool
Merino 250 Baselayer Hoodie - Men's
4 colors
Current price: $79.75 - $87.00 Original price: $145.00
Up to 45% off
Volcom
M V-Science Crew Top - Men's
1 color
Current price: $26.98 Original price: $59.95
55% off
Backcountry
Cedars RWS Merino Lt-Wt Baselayer Crew Top - Men's
2 colors
Current price: $53.40 - $62.30 Original price: $89.00
Up to 40% off
Smartwool
Intraknit Merino 200 Colorblock Crew - Men's
3 colors
Current price: $65.00 - $71.50 Original price: $130.00
Up to 50% off
Burton
AK Slokar Merino Crew - Men's
1 color
Current price: $64.98 Original price: $129.95
50% 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
WHITESPACE
Merino Mock Neck Top - Men's
1 color
Current price: $71.40 Original price: $119.00
40% off
Smartwool
Classic Thermal Merino Colorblock Crew Base Layer - Men's
2 colors
Current price: $66.00 - $72.00 Original price: $120.00
Up to 45% off
Helly Hansen
Lifa Merino Midweight 1/2 Zip Top - Men's
1 color
Current price: $71.50 Original price: $110.00
35% off
(1)
Mountain Hardwear
AirMesh Long-Sleeve Crew Top - Men's
3 colors
Current price: $51.99 Original price: $79.99
35% off
Swix
Dynamic Midlayer 1/2-Zip Top - Men's
1 color
Current price: $103.96 Original price: $129.95
20% off
Icebreaker
260 Tech 1/2-Zip Long-Sleeve Top - Men's
1 color
Current price: $60.75 Original price: $135.00
55% off
Smartwool
Classic Thermal Merino 1/4-Zip Base Layer - Men's
3 colors
Current price: $66.00 - $72.00 Original price: $120.00
Up to 45% off
Mons Royale
Icon T-Shirt - Men's
3 colors
Current price: $75.00 - $80.00 Original price: $100.00
Up to 25% off
Smartwool
Intraknit Active Seamless Short-Sleeve Top - Men's
3 colors
Current price: $55.00 - $65.00 Original price: $100.00
Up to 45% off
Icebreaker
200 Oasis LS Crew Top - Men's
4 colors
Current price: $78.75 Original price: $105.00
25% off
(38)
Helly Hansen
Verglas 1/2-Zip Top - Men's
1 color
Current price: $40.00 Original price: $80.00
50% off
Columbia
Midweight Stretch Long-Sleeve 1/2-Zip - Men's
1 color
Current price: $32.99 Original price: $59.99
45% off
Black Diamond
Solution 150 Merino Base Crew - Men's
1 color
Current price: $67.50 Original price: $135.00
50% off
Smartwool
Intraknit Thermal Merino 1/4-Zip Base Layer Top - Men's
1 color
Current price: $77.00 Original price: $140.00
45% off
Smartwool
Intraknit Thermal Max Merino 1/4-Zip Baselayer Top - Men's
1 color
Current price: $85.25 Original price: $155.00
45% off
Duck Camp
Barnburner 1/4-Zip Top - Men's
3 colors
Current price: $101.37 - $107.37 Original price: $178.95
40% off
Under Armour
Packaged Base 2.0 Crew Top - Men's
1 color
Current price: $35.99 Original price: $59.99
40% off
Picture Organic
Nangha Print Top - Men's
1 color
Current price: $53.97 Original price: $89.95
40% off
Under Armour
Packaged Base 3.0 Crew Top - Men's
1 color
Current price: $41.99 Original price: $69.99
40% off
Under Armour
Packaged Base 3.0 Hooded Top - Men's
1 color
Current price: $50.99 Original price: $84.99
40% off
Under Armour
Base 4.0 Crew - Men's
1 color
Current price: $59.99 Original price: $99.99
40% off