Men's: Long Underwear

Patagonia
Men's Capilene 1 Crew

$45.00

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Patagonia
Men's Capilene 4 Expedition Weight Bottoms

$69.00

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Patagonia
Men's Capilene 3 Midweight Crew

$26.99 - $49.00

(up to 45% Off)

Some Discontinued

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Patagonia
Men's Capilene 3 Midweight Zip Neck

$38.39 - $59.00

(up to 35% Off)

Some Discontinued

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Patagonia
Men's Capilene 3 Midweight Bottoms

$49.00

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Patagonia
Men's Capilene 4 Expedition Weight Full Zip

$119.00

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Patagonia
Men's Capilene 2 Lightweight Crew

$45.00

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Patagonia
Men's Capilene 2 Lightweight Bottoms

$31.49 - $45.00

(up to 30% Off)

Some Discontinued

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Patagonia
Men's Capilene 2 Lightweight Zip Neck

$49.00

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Icebreaker
Men's Legging w/ Fly

$69.95

Reviews

Patagonia
Men's Capilene 2 Lightweight T-Shirt

$39.00

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Icebreaker
Men's Oasis Crewe

$47.99 - $79.95

(up to 40% Off)

Some Discontinued

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Icebreaker
Men's BodyFit 260 Legging w/ Fly

$99.95

Reviews

Patagonia
Men's Merino 2 Lightweight Zip-Neck

$80.00

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Patagonia
Men's Merino 3 Midweight Zip-Neck

$95.00

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Columbia
Men's Baselayer Midweight Long Sleeve 1/2 Zip

$59.95

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Patagonia
Men's Merino 3 Midweight Crew

$85.00

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Columbia
Men's Baselayer Midweight Long Sleeve Top

$54.95

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Smartwool
Men's Lightweight Crew

$52.49 - $74.95

(up to 30% Off)

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Smartwool
Men's NTS Microweight Tee

$64.95 - $65.00

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Patagonia
Men's Capilene 1 T-Shirt

$39.00

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Smartwool
Men's NTS Microweight Crew

$69.95 - $70.00

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Smartwool
Men's NTS Midweight Crew

$79.95

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Ibex
Men's Woolies Bottom

$59.49

(up to 15% Off)

Reviews

Patagonia
Men's Capilene 1 Bottoms

$45.00

Reviews

Ibex
Men's Woolies Crew

$67.99 - $68.95

(up to 15% Off)

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Arc'teryx
Men's Rho LTW Bottom

$77.39

(up to 40% Off)

Reviews

NRS
WaveLite Union Suit

$129.95

Reviews

Patagonia
Men's Capilene 1 Graphic Crew

$49.00

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Ibex
Men's Woolies Short Sleeve

$64.95 - $69.95

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Smartwool
Men's Lightweight Tee

$69.95 - $70.00

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Helly Hansen
Men's Baselayer Fly Pant

$23.99 - $39.95

(up to 40% Off)

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Icebreaker
Men's Leggings w/ Fly

$79.95

Reviews

Mountain Hardwear
Men's Micro Power Stretch Long Sleeve Crew

$63.69 - $74.95

(up to 15% Off)

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Mountain Hardwear
Men's Micro Power Stretch Full Length Tight

$48.99 - $59.49

(up to 30% Off)

Arc'teryx
Men's Eon SLW T-Shirt

$53.39

(up to 40% Off)

Reviews

Arc'teryx
Men's Phase SV Bottom

$41.39

(up to 40% Off)

Reviews

Icebreaker
Men's Mondo Zip

$58.49 - $89.95

(up to 35% Off)

Some Discontinued

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Icebreaker
Men's Short Sleeve Apollo V

$59.95

Reviews

Icebreaker
Men's Short Sleeve Apollo Crewe

$59.95

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Arc'teryx
Men's Eon SLW Crew Long Sleeve

$59.39

(up to 40% Off)

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Mountain Hardwear
Men's Micro Power Stretch Zip T

$84.95

Reviews

Arc'teryx
Men's Phase AR Zip Neck Long Sleeve

$41.39

(up to 40% Off)

Reviews

Arc'teryx
Men's Phase SL Crew Long Sleeve

$35.39

(up to 40% Off)

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Arc'teryx
Men's Phase SL Crew Short Sleeve

$32.99

(up to 40% Off)

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Ibex
Men's Woolies Sleeveless Top

$59.95

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Arc'teryx
Men's Eon SLW Bottom

$53.39

(up to 40% Off)

Reviews

Arc'teryx
Men's Phase SV Boot Cut Bottom

$41.39

(up to 40% Off)

Icebreaker
Men's Long Sleeve Sprint Zip

$76.99 - $109.95

(up to 30% Off)

Some Discontinued

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Arc'teryx
Men's Phase AR Bottom

$38.99

(up to 40% Off)

Reviews

Icebreaker
Men's Long Sleeve Crewe

$69.99 - $99.95

(up to 30% Off)

Some Discontinued

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Icebreaker
Men's Long Sleeve Sprint Crewe

$64.99 - $99.95

(up to 35% Off)

Some Discontinued

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Arc'teryx
Men's Phase AR Crew Long Sleeve

$38.99

(up to 40% Off)

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Arc'teryx
Men's Phase SV Crew Long Sleeve

$41.39

(up to 40% Off)

Reviews

Icebreaker
Men's Sprint Tank

$64.95

Patagonia
Men's Capilene 1 Stretch T-Shirt

$29.00

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Patagonia
Men's Merino 2 Lightweight Bottoms

$70.00

Watch the Video

Arc'teryx
Men's Phase SL Bottom

$35.99

(up to 40% Off)

Reviews

Patagonia
Men's Merino 2 Lightweight Crew

$70.00

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Patagonia
Men's Capilene 1 Silkweight Stretch Crew

$22.79 - $35.00

(up to 35% Off)

Some Discontinued

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Patagonia
Men's Capilene 1 Stretch Tank

$13.79 - $28.00

(up to 45% Off)

Some Discontinued

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Smartwool
Men's Lightweight Zip T

$59.49

(up to 30% Off)

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Mammut
Men's All-Year Zip Longsleeve Long Underwear Top

$59.49 - $84.95

(up to 30% Off)

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Icebreaker
Men's Long Sleeve Tech T Lite

$79.95

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Icebreaker
Men's Sprint Legless

$89.95

Reviews

Smartwool
Men's Lightweight Boot Top Bottoms

$48.99

(up to 30% Off)

Icebreaker
Men's Sprint Leggings

$99.95

Icebreaker
Men's Everyday Leggings

$59.95

Reviews

Smartwool
Men's Midweight Hoody

$76.99

(up to 30% Off)

Reviews

Terramar
Men's Polyvalent Crew

$43.95

Terramar
Men's Thermasilk Crew

$41.95

Terramar
Men's Thermasilk Pants

$41.95

Patagonia
Men's Merino 3 Midweight Bottoms

$85.00

Watch the Video

Arc'teryx
Men's Phase SL Zip Neck Long Sleeve

$64.95

Smartwool
Men's Midweight Funnel Zip

$62.99

(up to 37% Off)

Some Discontinued

Reviews

Columbia
Men's Baselayer Midweight Short Sleeve Top

$24.99 - $49.95

(up to 50% Off)

Some Discontinued

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Icebreaker
Men's Everyday Short Sleeve Crewe

$49.95

Columbia
Men's Baselayer Midweight Tight

$54.95

Smartwool
Men's Microweight V-neck

$64.95

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Columbia
Men's Baselayer Midweight Tight W/Fly

$35.69 - $54.95

(up to 35% Off)

Some Discontinued

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