Men's Base Layer Tops

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Polarmax 4-Way Stretch Crew

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$40
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Icebreaker Relay Tank

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$45 - $59
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Columbia Baselayer Lightweight Short Sleeve Top

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$30 - $55
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SmartWool PhD Lightweight Wind Zip T

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$90 - $119
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Ibex Nomad 1/2 Snap Top

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$96
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Icebreaker Bodyfit 260 Apex Zip Top

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$84
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Mammut MTR 141 Longsleeve

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$69
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Columbia Baselayer Midweight Short Sleeve Top

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$35 - $50
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SmartWool Lightweight Hoodie

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$75 - $91
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Icebreaker Bodyfit 150 Short Sleeve Crewe

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$36 - $59
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Helly Hansen HH One LS

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$30
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Patagonia Capilene 4 Expedition Weight Full-Zip

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$71 - $72
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Arc'teryx Phase AR Zip-Neck LS

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$47 - $78
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Marmot Lightweight Crew SS

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$23 - $39
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Fjallraven Base Sweater No. 3

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$300
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Arc'teryx Eon SLW T-Shirt

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$69 - $98
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The North Face Stretch Softwool 1/4-Zip

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$109
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Icebreaker GT 260 Rapid Zip Thru

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$112
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Rab MeCo 120 Long Sleeve Tee

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$36 - $85
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Wickers Midweight Comfortrel Turtleneck

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$17
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Ibex Woolies 220 Zip T

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$63 - $104
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Omni-Wool Midweight Crew

 
based on 1 review

$35
MSRP

Ortovox Merino 130 Short Sleeve

 
based on 1 review

$82
MSRP

Under Armour Catalyst Longsleeve T

 
based on 1 review

$35
MSRP

 

Minus33 100% Wool Mid Weight Turtleneck

 
based on 1 review

Terramar 1/2 Zip Geo Fleece Top

 
based on 1 review

Mountain Hardwear Integral Zip Tee

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$75
MSRP

Helly Hansen HH Wool LS Crew

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Klymit Quarter Zip Kinetic Base Layer

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$60
MSRP

EMS Climatize Crew, L/S

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$59
MSRP

 

Eddie Bauer Performance Silk Tee

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EESA Black Box S/S Tee

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Columbia Baselayer Midweight Long Sleeve Stripe Top

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$60
MSRP

Ibex Indie Outback Shirt

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I/O Bio Contact 2 LS Crew

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$100
MSRP

GoLite BL-1 Longsleeve

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$42
MSRP

Pearl Izumi Therma Phase Top

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$75
MSRP

DaKine Trigger Crew

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$50
MSRP

Komperdell BC-Flex Fleece Long Underwear Top

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Duofold Sportsman Mid-Weight Long Sleeve Crew

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Patagonia Capilene Lightweight Crew

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$45
MSRP

Red Ledge Edge Zip Tee

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$40
MSRP

Patagonia Capilene 3 Midweight Mock Neck

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$55
MSRP

Kenyon Silkyester Thermal Shirt

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$25
MSRP

Under Armour ColdGear Longsleeve Crew

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$50
MSRP

L.L. Bean Polartec Power Dry Base Layer, Crew Expedition Weight

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Kenyon Outlast Mid-weight Top

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$29
MSRP

Rab MeCo 250 Long Sleeve Zip

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SmartWool Lightweight Sleeveless

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Under Armour Fitted ColdGear Mock

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$50
MSRP