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'
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Price

less than $25
$25 - $49.99
$50 - $99.99
$100 - $199.99
$200 - $299.99
$300 and above

Top-Rated Base Layers and Underwear

Sort by: name | rating | price | availability | recently reviewed

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
$22 - $55
Arc'teryx Phase SL Zip Neck
Arc'teryx
Phase SL Zip Neck
Base Layer Top
$51
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
$99 - $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
$15 - $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
Helly Hansen Active Flow LS
Helly Hansen
Active Flow LS
Base Layer Top
$60
Arc'teryx Phase SL Crew LS
Arc'teryx
Phase SL Crew LS
Base Layer Top
$69
Airblaster Sumo Suit
Airblaster
Sumo Suit
One-Piece Base Layer
$48
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
$35
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
$99
Under Armour Basemap 2.5 Legging
Under Armour
Basemap 2.5 Legging
Base Layer Bottom
$55
Moving Comfort Phoebe
Moving Comfort
Phoebe
Sports Bra
$13
Icebreaker 200 Lightweight Oasis Crewe
Icebreaker
200 Lightweight Oasis Crewe
Base Layer Top
$45 - $90
Ibex Balance Bralette
Ibex
Balance Bralette
Sports Bra
$40 - $44
Icebreaker Relay Boxer Brief
Icebreaker
Relay Boxer Brief
Boxers, Briefs, Bikini
$30 - $49
prAna Tech Half Zip
prAna
Tech Half Zip
Base Layer Top
$29
686 Airhole Thermal Airtube Top
686
Airhole Thermal Airtube Top
$60
Icebreaker 200 Lightweight Contour Crewe
Icebreaker
200 Lightweight Contour Crewe
Base Layer Top
$42
Moving Comfort Vixen
Moving Comfort
Vixen
Sports Bra
$25
REI Lightweight Long Underwear Bottoms
REI
Lightweight Long Underwear Bottoms
Base Layer Bottom
$37
Helly Hansen Warm Flow High Neck 1/2 Zip
Helly Hansen
Warm Flow High Neck 1/2 Zip
Base Layer Top
$100
EMS Techwick Briefs
EMS
Techwick Briefs
Boxers, Briefs, Bikini
$18
Mammut Go Warm Pants Long
Mammut
Go Warm Pants Long
Base Layer Bottom
$60
Helly Hansen Pace Supportive Singlet 2
Helly Hansen
Pace Supportive Singlet 2
Sports Bra
$38
Helly Hansen Freeze 1/2 Zip
Helly Hansen
Freeze 1/2 Zip
Base Layer Top
$53 - $94
Stoic Breathe Composite Zip T
Stoic
Breathe Composite Zip T
Base Layer Top
$55 - $69
Mammut Warm Quality Longsleeve
Mammut
Warm Quality Longsleeve
Base Layer Top
$40
Norrona Bitihorn Equalizer+ Zip Neck Shirt
Norrona
Bitihorn Equalizer+ Zip Neck Shirt
Base Layer Top
$64
Icebreaker Anatomica Boxer
Icebreaker
Anatomica Boxer
Boxers, Briefs, Bikini
$27
ExOfficio Give-N-Go String Bikini
ExOfficio
Give-N-Go String Bikini
Boxers, Briefs, Bikini
$10 - $40
Terramar Body Sensors Tech Jersey Tank
Terramar
Body Sensors Tech Jersey Tank
Base Layer Top
$10 - $15
Bomber Gear Halo 5.0 Pants
Bomber Gear
Halo 5.0 Pants
Base Layer Bottom
$45
 
REI
Midweight Long Underwear Crewneck
Base Layer Top
$40
Icebreaker 200 Lightweight Legless
Icebreaker
200 Lightweight Legless
Base Layer Bottom
$45
REI Midweight Polartec Power Dry Bottom
REI
Midweight Polartec Power Dry Bottom
Base Layer Bottom
$25 - $39
L.L.Bean Power Dry Stretch Base Layer, Midweight Quarter-Zip
L.L.Bean
Power Dry Stretch Base Layer, Midweight Quarter-Zip
Base Layer Top
$45 - $49
Burton Expedition 1/4 Zip
Burton
Expedition 1/4 Zip
Base Layer Top
$42
 
SmartWool
NTS Mid 250 Crew
Base Layer Top
$105
Under Armour Original Series 6-inch Boxerjock
Under Armour
Original Series 6-inch Boxerjock
Boxers, Briefs, Bikini
$14 - $20
Icebreaker Oasis Crewe Print Primal Stripe
Icebreaker
Oasis Crewe Print Primal Stripe
Base Layer Top
$54
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