Base Layers and Underwear

Categories

Tops
Bottoms
One-Piece Base Layers
Boxers, Briefs, Bikinis
Sports Bras
Arm and Leg Sleeves

Brands

ExOfficio
Patagonia
Arc'teryx
Marmot
SmartWool
Stoic
Icebreaker
Ibex
Mountain Hardwear
Polarmax

Genders

Unisex
Men's
Women's
Kids'
Boys'
Girls'

Price

less than $25
$25 - $49.99
$50 - $99.99
$100 and above

Top-Rated Base Layers and Underwear

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Stoic Breathe 150 Bottom
Stoic
Breathe 150 Bottom
Base Layer Bottom
$27
Minus33 Isolation Midweight Merino Zip-Neck
Minus33
Isolation Midweight Merino Zip-Neck
Base Layer Top
$70
Icebreaker Anatomica Long Sleeve Crewe
Icebreaker
Anatomica Long Sleeve Crewe
Base Layer Top
$41 - $75
Moving Comfort Workout Bikini
Moving Comfort
Workout Bikini
Boxers, Briefs, Bikini
$16
Under Armour Base 2.0 1/4 Zip
Under Armour
Base 2.0 1/4 Zip
Base Layer Top
$33 - $59
Icebreaker BodyFit 200 L/S Oasis Crewe Printed
Icebreaker
BodyFit 200 L/S Oasis Crewe Printed
Base Layer Top
$63
Terramar Woolskins Bottoms
Terramar
Woolskins Bottoms
Base Layer Bottom
$43
Icebreaker GT 260 L/S Express Crew
Icebreaker
GT 260 L/S Express Crew
Base Layer Top
$68
ExOfficio Give-N-Go Bikini Brief
ExOfficio
Give-N-Go Bikini Brief
Boxers, Briefs, Bikini
$10 - $22
Stio Basis Tight
Stio
Basis Tight
Base Layer Bottom
$20
Houdini Alpine Alphies Bottom
Houdini
Alpine Alphies Bottom
Base Layer Bottom
$55
Icebreaker Express Legless
Icebreaker
Express Legless
Base Layer Bottom
$100
Minus33 Allagash Lightweight Merino Zip-Neck
Minus33
Allagash Lightweight Merino Zip-Neck
Base Layer Top
$61
The North Face Light Tight
The North Face
Light Tight
Base Layer Bottom
$29 - $45
Terramar Woolskins V-Neck Long Sleeve
Terramar
Woolskins V-Neck Long Sleeve
Base Layer Top
$43
Minus33 100% Merino Wool Bottoms
Minus33
100% Merino Wool Bottoms
Base Layer Bottom
$55
The North Face Light L/S Zip Neck
The North Face
Light L/S Zip Neck
Base Layer Top
$32 - $49
Mammut Warm Quality Bottom
Mammut
Warm Quality Bottom
Base Layer Bottom
$32 - $39
Icebreaker 200 Lightweight Oasis V Dusk
Icebreaker
200 Lightweight Oasis V Dusk
Base Layer Top
$57
Under Armour ColdGear Legging
Under Armour
ColdGear Legging
Base Layer Bottom
$40
Minus33 Saratoga Lightweight Merino Bottom
Minus33
Saratoga Lightweight Merino Bottom
Base Layer Bottom
$60
The North Face Expedition Long-Sleeve Zip Neck
The North Face
Expedition Long-Sleeve Zip Neck
Base Layer Top
$44 - $80
Mammut Go Dry Longsleeve
Mammut
Go Dry Longsleeve
Base Layer Top
$35 - $41
Icebreaker Sprint Shorts
Icebreaker
Sprint Shorts
Boxers, Briefs, Bikini
$65
Tasc Performance Endurance Sport Bra
Tasc Performance
Endurance Sport Bra
Sports Bra
$30
SmartWool Lightweight Tee
SmartWool
Lightweight Tee
Base Layer Top
$47 - $79
Arc'teryx Phase SL Crew SS
Arc'teryx
Phase SL Crew SS
Base Layer Top
$35 - $64
Icebreaker Everyday Long Sleeve Half Zip
Icebreaker
Everyday Long Sleeve Half Zip
Base Layer Top
$70
Patagonia Capilene 3 Midweight Boot Top Bottoms
Patagonia
Capilene 3 Midweight Boot Top Bottoms
Base Layer Bottom
$25 - $55
Arc'teryx Phase SL Zip Neck
Arc'teryx
Phase SL Zip Neck
Base Layer Top
$55
Mountain Hardwear Integral Long Sleeve Crew
Mountain Hardwear
Integral Long Sleeve Crew
Base Layer Top
$78
Terramar Geo Fleece Pant
Terramar
Geo Fleece Pant
Base Layer Bottom
$28
Columbia Coolest Cool Boy Short
Columbia
Coolest Cool Boy Short
Boxers, Briefs, Bikini
$12
Patagonia Capilene 4 Expedition Weight One Piece Suit
Patagonia
Capilene 4 Expedition Weight One Piece Suit
One-Piece Base Layer
$139 - $199
Patagonia Capilene 2 Lightweight Boxer Briefs
Patagonia
Capilene 2 Lightweight Boxer Briefs
Boxers, Briefs, Bikini
$15 - $35
Arc'teryx Phase AR Crew LS
Arc'teryx
Phase AR Crew LS
Base Layer Top
$24 - $75
66°North Vik Tights
66°North
Vik Tights
Base Layer Bottom
$65 - $119
Helly Hansen Warm Boxer Windblock
Helly Hansen
Warm Boxer Windblock
Boxers, Briefs, Bikini
$50
EMS Techwick Heavyweight 1/2 Zip
EMS
Techwick Heavyweight 1/2 Zip
Base Layer Top
$40
The North Face Alloy Merino Top
The North Face
Alloy Merino Top
Base Layer Top
$54 - $70
Arc'teryx Phase SL Crew LS
Arc'teryx
Phase SL Crew LS
Base Layer Top
$37 - $68
Airblaster Sumo Suit
Airblaster
Sumo Suit
One-Piece Base Layer
$44
EMS Dona Bra
EMS
Dona Bra
Sports Bra
$34
NRS WaveLite Shirt
NRS
WaveLite Shirt
Base Layer Top
$39 - $48
REI Lightweight Crew Shirt
REI
Lightweight Crew Shirt
Base Layer Top
$37
Arc'teryx Phase SL Brief
Arc'teryx
Phase SL Brief
Boxers, Briefs, Bikini
$28 - $34
Tasc Performance Bamboo-Merino Base Layer Level B LS
Tasc Performance
Bamboo-Merino Base Layer Level B LS
Base Layer Top
$80
Montane Bionic Long John
Montane
Bionic Long John
Base Layer Bottom
$79
Under Armour Basemap 2.5 Legging
Under Armour
Basemap 2.5 Legging
Base Layer Bottom
$64
Moving Comfort Phoebe
Moving Comfort
Phoebe
Sports Bra
$23
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