Men's Base Layers and Underwear

Showing 101-150 of 714 items

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SmartWool Microweight Singlet

Base Layer Top

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$36
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Helly Hansen HH Warm Pant

Base Layer Bottom

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$48 - $79
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EMS Techwick Boxer Briefs

Boxers, Briefs, Bikini

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$20
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DaKine Talon 3/4 Bottom

Base Layer Bottom

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$35
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Under Armour Catalyst T-Shirt

Base Layer Top

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$30
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Terramar Stretch Thermolator Crew

Base Layer Top

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$25
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REI Lightweight MTS Polartec Power Dry Zip-T

Base Layer Top

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$40
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Terramar Filament Silk Crew

Base Layer Top

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$26
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CW-X LiteFit Boxer Brief

Boxers, Briefs, Bikini

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$35
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SmartWool Microweight Boxer Brief

Boxers, Briefs, Bikini

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$38 - $47
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Under Armour Original 3 Boxerjock

Boxers, Briefs, Bikini

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$20
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Mountain Hardwear Stretch Thermal Tights

Base Layer Bottom

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$50 - $80
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tasc Performance V-Neck Undershirt

Base Layer Top

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$24
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DaKine Torque 1/4 Zip

Base Layer Top

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$70
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Ibex Woolies Zip T-Neck Stripe

Base Layer Top

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$54 - $90
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REI Mesh MTS Briefs

Base Layer Bottom

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$17
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Arc'teryx Phase AR Bottom

Base Layer Bottom

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$39 - $74
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Houdini The Chad

One-Piece Base Layer

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$154
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tasc Performance Loose Fit Boxer

Boxers, Briefs, Bikini

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$24
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tasc Performance Bamboo-Merino Base Layer Level B 1/4-Zip

Base Layer Top

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$90
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Columbia Quickest Wick 6 Inch Short

Boxers, Briefs, Bikini

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$30
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The North Face Long-Sleeve Litho 1/4 Zip

Base Layer Top

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$99
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tasc Performance Ventilated Compression Pant

Compression Piece

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$42
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Rab MeCo 165 Pants

Base Layer Bottom

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$75
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SmartWool Midweight Boot Top Bottom

Base Layer Bottom

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$50 - $90
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The North Face GTD Wind Brief

Boxers, Briefs, Bikini

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$40
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EMS Techwick Boxers

Boxers, Briefs, Bikini

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$20
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Icebreaker Sprint Long Sleeve Half Zip

Base Layer Top

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$66 - $76
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Minus33 100% Merino Wool Midweight Crew Neck

Base Layer Top

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$40 - $42
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SmartWool Midweight Crew

Base Layer Top

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$57 - $95
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Under Armour Evo ColdGear Fitted Mock

Base Layer Top

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$40 - $49
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Kenyon Polypropylene Bottoms - Expedition Weight

Base Layer Bottom

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$19
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EMS Techwick Midweight Tights

Base Layer Bottom

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$35
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Icebreaker Relay SS Crewe

Base Layer Top

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$46 - $69
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Columbia Extreme Fleece Long Sleeve 1/2 Zip

Base Layer Top

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$39
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Patagonia Capilene 1 Silkweight Boxers

Boxers, Briefs, Bikini

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$17 - $32
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Burton Midweight Shant

Base Layer Bottom

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$24
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Icebreaker Bodyfit 260 LS Crewe

Base Layer Top

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$63
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Helly Hansen Ice Crew

Base Layer Top

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$59
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Coldpruf Platinum Pants

Base Layer Bottom

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$25
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tasc Performance Bamboo-Merino Base Layer Level B Pant

Base Layer Bottom

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$70
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Mountain Hardwear Micro Power Stretch Long Sleeve Crew

Base Layer Top

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$45
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Icebreaker 200 Lightweight Mondo Zip

Base Layer Top

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$45 - $89
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Patagonia Capilene 4 Expedition Weight Bottoms

Base Layer Bottom

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$47 - $79
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Columbia Baselayer Midweight Top - Long Sleeve

Base Layer Top

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$38 - $40
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The North Face Stretch Softwool Crew

Base Layer Top

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$99
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Under Armour Base 1.0 Legging

Base Layer Bottom

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$36
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Patagonia Capilene 2 Lightweight Bottoms

Base Layer Bottom

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$27 - $45
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Ibex Woolies Crew Stripe

Base Layer Top

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$51 - $85
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Ibex Woolies Boxers

Boxers, Briefs, Bikini

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$40 - $50
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