Base Layers and Underwear $50 - $99.99

Showing 1-50 of 429 items

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Patagonia Capilene 2 Lightweight Zip-Neck

Base Layer Top

 
based on 3 reviews

$26 - $55
where to buy

Icebreaker Bodyfit 260 Olympia Zip

Base Layer Top

 
based on 2 reviews

$70
where to buy

Arc'teryx Rho LT Zip

Base Layer Top

 
based on 2 reviews

$70 - $118
where to buy

Marmot Midweight Bottom

Base Layer Bottom

 
based on 2 reviews

$25 - $50
where to buy

Patagonia Merino 2 Lightweight Crew

Base Layer Top

 
based on 2 reviews

$45 - $75
where to buy

Patagonia Capilene 4 Expedition Weight Zip-Neck

Base Layer Top

 
based on 2 reviews

$40 - $99
where to buy

Patagonia R1 Pants

Base Layer Bottom

 
based on 2 reviews

$59 - $99
where to buy

SmartWool Microweight Tee

Base Layer Top

 
based on 3 reviews

$42 - $70
where to buy

Stoic Merino Bliss Shirt - Long-Sleeve

Base Layer Top

 
based on 2 reviews

$38 - $47
where to buy

Icebreaker 260 Midweight Tech Top

Base Layer Top

 
based on 1 review

$33 - $110
where to buy

Stoic Merino 200 1-Z Suit

One-Piece Base Layer

 
based on 1 review

$89 - $96
where to buy

Icebreaker Bodyfit 260 Slalom Zip

Base Layer Top

 
based on 1 review

$60 - $78
where to buy

Mountain Hardwear Power Stretch Zip T

Base Layer Top

 
based on 1 review

$39 - $94
where to buy

Icebreaker GT 260 Rapid Legging

Base Layer Bottom

 
based on 1 review

$63
where to buy

SmartWool Midweight Bottom

Base Layer Bottom

 
based on 1 review

$38 - $95
where to buy

SmartWool Midweight Zip T

Base Layer Top

 
based on 1 review

$35 - $105
where to buy

Marmot Lightweight Bottom

Base Layer Bottom

 
based on 1 review

$23 - $74
where to buy

SmartWool Midweight Hoody

Base Layer Top

 
based on 1 review

$70 - $124
where to buy

Stoic Alpine Merino 150 Crew - Long-Sleeve

Base Layer Top

 
based on 1 review

$32 - $89
where to buy

Marmot Midweight Crew LS

Base Layer Top

 
based on 1 review

$27 - $55
where to buy

SmartWool Lightweight Zip T

Base Layer Top

 
based on 4 reviews

$48 - $95
where to buy

Icebreaker 260 Midweight LS Crewe

Base Layer Top

 
based on 3 reviews

$27 - $90
where to buy

Icebreaker 150 Ultralite LS Atlas

Base Layer Top

 
based on 1 review

$35 - $69
where to buy

SmartWool Microweight Bottom

Base Layer Bottom

 
based on 1 review

$35 - $75
where to buy

SmartWool Microweight Crew

Base Layer Top

 
based on 1 review

$41 - $75
where to buy

SmartWool Midweight Funnel Zip

Base Layer Top

 
based on 1 review

$75 - $115
where to buy

Patagonia Merino 3 Midweight Crew

Base Layer Top

 
based on 1 review

$49 - $90
where to buy

Icebreaker GT 200 L/S Chase Zip

Base Layer Top

 
based on 1 review

$69 - $82
where to buy

Marmot Midweight Zip LS

Base Layer Top

 
based on 2 reviews

$32 - $55
where to buy

Ibex Zepher Zip T-Neck

Base Layer Top

 
based on 1 review

$75 - $86
where to buy

Icebreaker 200 Lightweight Legging

Base Layer Bottom

 
based on 1 review

$36 - $80
where to buy

Terramar SmartSilk Crew

Base Layer Top

 
based on 1 review

$60
MSRP

Icebreaker BodyFit 200 Oasis Printed

Base Layer Top

not yet rated
write a review

$49 - $62
where to buy

Helly Hansen HH Dry 2-Pack

not yet rated
write a review

$80
where to buy

Salomon EXO SLAB Zip

Compression Piece

not yet rated
write a review

$75
where to buy

Icebreaker LS Siren Crewe

Base Layer Top

not yet rated
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$38 - $74
where to buy

Mountain Hardwear Integral Zip Tee

Base Layer Top

not yet rated
write a review

$30
where to buy

Helly Hansen HH Wool LS Crew

Base Layer Top

not yet rated
write a review

$90
where to buy

Mountain Hardwear Micro Power Stretch Zip T

Base Layer Top

not yet rated
write a review

$42 - $84
where to buy

Under Armour Base 3.0 1/4 Zip

Base Layer Top

not yet rated
write a review

$48 - $79
where to buy

Icebreaker 200 Lightweight Sprint Boxer Brief

Boxers, Briefs, Bikini

not yet rated
write a review

$27
where to buy

Patagonia Merino 3 Midweight Bottoms

Base Layer Bottom

not yet rated
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$53 - $89
where to buy

Icebreaker Sierra Half Zip

Base Layer Top

not yet rated
write a review

$89
where to buy

Arc'teryx Phase SV Crew LS

Base Layer Top

not yet rated
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$55 - $78
where to buy

Patagonia Capilene 3 Midweight Crew

Base Layer Top

not yet rated
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$12 - $55
where to buy

Patagonia Merino 3 Midweight Boot-Top Bottoms

Base Layer Bottom

not yet rated
write a review

$53 - $89
where to buy

EMS Techwick Midweight One-Piece Suit

One-Piece Base Layer

not yet rated
write a review

$55
where to buy

Icebreaker Nature 200 Haven V-Neck

Base Layer Top

not yet rated
write a review

$56
where to buy

Helly Hansen Dynamic 1/2 Zip

Base Layer Top

not yet rated
write a review

$47
where to buy

SmartWool Lightweight Asymmetrical Zip

Base Layer Top

not yet rated
write a review

$52 - $94
where to buy