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 - $199.99
$200 - $299.99
$300 and above

Top-Rated Base Layers and Underwear

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

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
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
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
$40 - $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
$59
Icebreaker Anatomica Boxer
Icebreaker
Anatomica Boxer
Boxers, Briefs, Bikini
$25 - $39
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 - $26
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
$35
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
ZENSAH Compression Leg Sleeves
ZENSAH
Compression Leg Sleeves
Arm or Leg Sleeves
$26 - $39
L.L.Bean Polartec Power Dry Base Layer, Quarter-Zip Expedition Weight
L.L.Bean
Polartec Power Dry Base Layer, Quarter-Zip Expedition Weight
Base Layer Top
$40 - $44
Under Armour HeatGear Legging
Under Armour
HeatGear Legging
Base Layer Bottom
$19 - $34
Mammut All-Year Longsleeve
Mammut
All-Year Longsleeve
Base Layer Top
$47
The North Face Stow-N-Go II Bra
The North Face
Stow-N-Go II Bra
Sports Bra
$42
Patagonia Capilene 1 T-Shirt
Patagonia
Capilene 1 T-Shirt
Base Layer Top
$27
Isis Everyday Cami
Isis
Everyday Cami
Base Layer Top
$14
Icebreaker Everyday Cami
Icebreaker
Everyday Cami
Base Layer Top
$40
Terramar Silk Crew
Terramar
Silk Crew
Base Layer Top
$28 - $31
Ibex Balance Sport Bra
Ibex
Balance Sport Bra
Sports Bra
$60
Icebreaker Tech Top Long Sleeve Crewe
Icebreaker
Tech Top Long Sleeve Crewe
Base Layer Top
$50 - $110
Mammut All-Year Zip Longsleeve
Mammut
All-Year Zip Longsleeve
Base Layer Top
$52
Polarmax Double Base Layer Pant
Polarmax
Double Base Layer Pant
Base Layer Bottom
$20 - $29
SmartWool NTS Micro 150 Pattern Tee
SmartWool
NTS Micro 150 Pattern Tee
Base Layer Top
$45 - $75
Mammut Go Warm T-Shirt
Mammut
Go Warm T-Shirt
Base Layer Top
$60
Tasc Performance Bamboo+Merino Base Layer Level A LS
Tasc Performance
Bamboo+Merino Base Layer Level A LS
Base Layer Top
$70
Patagonia Active Cami
Patagonia
Active Cami
Base Layer Top
$19 - $39
Icebreaker Oasis Crewe S/S
Icebreaker
Oasis Crewe S/S
Base Layer Top
$44 - $51
REI Mesh MTS Boxer Briefs
REI
Mesh MTS Boxer Briefs
Base Layer Bottom
$23
Icebreaker Oasis Long Sleeve Half Zip
Icebreaker
Oasis Long Sleeve Half Zip
Base Layer Top
$50 - $100
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