Men's Long Underwear Tops

Outdoor Research

Alpine Onset Merino 150 Crew Top - Men's

1 color

Current price: $49.48 Original price: $98.95

50% off

Smartwool

Intraknit Active Seamless Short-Sleeve Top - Men's

1 color

Current price: $60.00 Original price: $100.00

40% off

Smartwool

Classic All-Season Merino Base Layer - Men's

2 colors

Current price: $67.50 Original price: $90.00

25% off

20% Off Code LOADUP | Ends 8/19

Patagonia

R1 Air Zip-Neck Top - Men's

5 colors

Current price: $83.85 Original price: $129.00

35% off

(16)

Patagonia

R1 Air Crew Top - Men's

1 color

Current price: $64.35 Original price: $99.00

35% 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

20% Off Code LOADUP | Ends 8/19

Smartwool

Merino 250 Baselayer Crew - Men's

1 color

Current price: $81.25 Original price: $115.00

29% off

20% Off Code LOADUP | Ends 8/19

(20)

Patagonia

R1 Thermal Crew - Men's

2 colors

Current price: $116.35 Original price: $179.00

35% off

Rab

Graviton Crew - Men's

4 colors

Current price: $66.00 - $77.00 Original price: $110.00

Up to 40% off

20% Off Code LOADUP | Ends 8/19

Under Armour

Base 4.0 Crew - Men's

1 color

Current price: $59.99 Original price: $99.99

40% off

20% Off Code LOADUP | Ends 8/19

Black Diamond

Coefficient LT 1/4-Zip Pullover - Men's

1 color

Current price: $113.40 Original price: $189.00

40% off

20% Off Code LOADUP | Ends 8/19

The North Face

Sunriser Hoodie - Men's

2 colors

Current price: $49.00 Original price: $70.00

30% off

The North Face

Sunriser 1/4-Zip Top - Men's

1 color

Current price: $56.00 Original price: $80.00

30% off

BlackStrap

Therma Hooded Baselayer Top 2024

1 color

Current price: $45.00 Original price: $89.99

50% off

20% Off Code LOADUP | Ends 8/19

Rab

Conduit Crew - Men's

2 colors

Current price: $48.75 Original price: $75.00

35% off

20% Off Code LOADUP | Ends 8/19

Smartwool

Intraknit Active Base Layer Crew - Men's

1 color

Current price: $71.50 Original price: $110.00

35% off

Under Armour

Packaged Base 3.0 Crew Top - Men's

1 color

Current price: $45.49 Original price: $69.99

35% off

20% Off Code LOADUP | Ends 8/19

Orage

Bedrock Light Base Layer Top - Men's

1 color

Current price: $47.98 Original price: $119.95

60% off

Atomic

Backland Primaloft Midlayer - Men's 2022

1 color

Current price: $112.00 Original price: $280.00

60% off

Patagonia

Capilene Midweight Crew Top - Men's

2 colors

Current price: $57.85 Original price: $89.00

35% off

(6)

Duck Camp

Barnburner 1/4-Zip Top - Men's

3 colors

Current price: $101.37 - $109.82 Original price: $178.95

Up to 40% off

20% Off Code LOADUP | Ends 8/19

Icebreaker

200 Oasis LS Crew Top - Men's

5 colors

Current price: $68.25 - $78.75 Original price: $105.00

Up to 35% off

(48)

Mons Royale

Icon T-Shirt - Men's

5 colors

Current price: $62.99 - $80.00 Original price: $100.00

Up to 30% off

(1)

Atomic

Revent Primaloft Midlayer - Men's 2022

1 color

Current price: $150.00 Original price: $300.00

50% off

20% Off Code LOADUP | Ends 8/19

Mammut

Aenergy FL Long-Sleeve - Men's

1 color

Current price: $57.85 Original price: $89.00

35% off

20% Off Code LOADUP | Ends 8/19

Icebreaker

Merino 200 Oasis Long-Sleeve 1/2-Zip Top - Men's

1 color

Current price: $86.25 Original price: $115.00

25% off

Icebreaker

Merino 260 Tech Long-Sleeve 1/2-Zip Top - Men's

1 color

Current price: $101.25 Original price: $150.00

33% off

Icebreaker

Merino Blend 75 Cool-Lite Ultralight LS Crewe - Men's

1 color

Current price: $71.50 Original price: $110.00

35% off

Icebreaker

Merino Blend 125 ZoneKnit Long-Sleeve Crewe - Men's

1 color

Current price: $87.50 Original price: $125.00

30% off

20% Off Code LOADUP | Ends 8/19

Icebreaker

Merino Blend 75 Cool-Lite Ultralight SS Crewe - Men's

1 color

Current price: $65.00 Original price: $100.00

35% off

Terramar

Thermolator 2.0 Performance Crew - Men's

1 color

Current price: $22.50 Original price: $45.00

50% off

20% Off Code LOADUP | Ends 8/19

Terramar

Thermapeak Crew - Men's

1 color

Current price: $19.50 Original price: $30.00

35% off

Outdoor Research

Alpine Onset Merino 150 1/4-Zip Top - Men's

1 color

Current price: $65.37 Original price: $108.95

40% off

20% Off Code LOADUP | Ends 8/19

Mountain Hardwear

AirMesh Long-Sleeve Crew Top - Men's

2 colors

Current price: $55.99 Original price: $79.99

30% off

20% Off Code LOADUP | Ends 8/19

Burton

AK Slokar Merino Crew - Men's

1 color

Current price: $77.97 Original price: $129.95

40% off

20% Off Code LOADUP | Ends 8/19

Backcountry

Cedars RWS Merino Lt-Wt Baselayer 1/2-Zip Scuba Top - Men's

2 colors

Current price: $51.60 - $58.05 Original price: $129.00

Up to 60% off

20% Off Code LOADUP | Ends 8/19

Spyder

Spirit Of '78 Half-Zip Baselayer Top - Men's

1 color

Current price: $44.55 Original price: $99.00

55% off

Volcom

M V-Science Crew Top - Men's

1 color

Current price: $20.98 Original price: $59.95

65% off

Rab

Conduit Pull-On Top - Men's

1 color

Current price: $55.25 Original price: $85.00

35% off

Mons Royale

Cascade Merino Flex Long-Sleeve Top - Men's

4 colors

Current price: $89.96 - $97.46 Original price: $129.95

25% off

(1)

Rab

Conduit Hooded Top - Men's

1 color

Current price: $66.50 Original price: $95.00

30% off

20% Off Code LOADUP | Ends 8/19

Swix

RaceX Classic Long-Sleeve Top - Men's

1 color

Current price: $43.96 Original price: $54.95

20% off

Men's Long Underwear Tops

Brand

Clothing Size

M (43)

S (42)

L (39)

XL (33)

XXL (22)

XS (1)

Color

Sale

10% and more (62)

20% and more (62)

30% and more (52)

40% and more (27)

50% and more (10)

Price

$0 - $49.99 (13)

$50 - $99.99 (38)

$100 - $199.99 (11)

Features

Anti-Odor (35)

Thumbholes (21)

Sun Protection (8)

Pockets (7)

Abrasion Resistant (5)

Reflective (1)

Material

Synthetic (43)

Wool (32)

Cotton Blend (1)

Recommended Use

All-Mountain Skiing (46)

All-Mountain Snowboarding (46)

Backcountry Skiing (34)

Backcountry Snowboarding (34)

Hiking (33)

Freeride/Powder Skiing (28)

Freeride/Powder Snowboarding (28)

Casual (23)

Backcountry Snowshoeing (22)

Backpacking (22)

Park & Freestyle Skiing (17)

Park & Freestyle Snowboarding (17)

Trail Running (14)

Road Running (13)

Snowshoe Hiking (11)

Fit

Semi-Fitted/Slim (31)

Regular/Relaxed (27)

Form-Fitting (1)

Insulation Weight

Midweight (29)

Lightweight (20)

Heavyweight (2)

Shirt Style

Crew (36)

Mock-Neck (14)

Hoodie (5)

One-Piece Suit (3)

Full-Zip (2)

Sleeve Length

Long-Sleeve (56)

Short-Sleeve (3)

Alpine Onset Merino 150 Crew Top - Men's

Intraknit Active Seamless Short-Sleeve Top - Men's

Classic All-Season Merino Base Layer - Men's

R1 Air Zip-Neck Top - Men's

R1 Air Crew Top - Men's

Packaged Base 4.0 1/4-Zip Top - Men's

Merino 250 Baselayer Crew - Men's

R1 Thermal Crew - Men's

Graviton Crew - Men's

Base 4.0 Crew - Men's

Coefficient LT 1/4-Zip Pullover - Men's

Sunriser Hoodie - Men's

Sunriser 1/4-Zip Top - Men's

Therma Hooded Baselayer Top 2024

Conduit Crew - Men's

Intraknit Active Base Layer Crew - Men's