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

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

Icebreaker Bolt Long Sleeve Half Zip
Icebreaker
Bolt Long Sleeve Half Zip
Base Layer Top
$40 - $99
The North Face Light Boot Top Bottom
The North Face
Light Boot Top Bottom
Base Layer Bottom
$22 - $45
Patagonia Merino 1 Silkweight T-Shirt
Patagonia
Merino 1 Silkweight T-Shirt
Base Layer Top
$42 - $65
Wickers Midweight Comfortrel Long Sleeve Top
Wickers
Midweight Comfortrel Long Sleeve Top
Base Layer Top
$12
Polarmax Micro H2 Long Sleeve Crew
Polarmax
Micro H2 Long Sleeve Crew
Base Layer Top
$40
REI Silk V-Neck
REI
Silk V-Neck
Base Layer Top
$45
Burton Wool Pant
Burton
Wool Pant
Base Layer Bottom
$63
Icebreaker Bolt Crewe
Icebreaker
Bolt Crewe
Base Layer Top
$40
Rab AL Pull-On
Rab
AL Pull-On
Base Layer Top
$100
Icebreaker LS Siren Sweetheart
Icebreaker
LS Siren Sweetheart
Base Layer Top
$30 - $75
Columbia Coolest Cool Long Sleeve Top
Columbia
Coolest Cool Long Sleeve Top
Base Layer Top
$30 - $51
Patagonia Merino 1 Silkweight Crew
Patagonia
Merino 1 Silkweight Crew
Base Layer Top
$39 - $80
SmartWool Midweight Pattern Zip-T
SmartWool
Midweight Pattern Zip-T
Base Layer Top
$38 - $110
Under Armour Evo Coldgear Fitted Crew
Under Armour
Evo Coldgear Fitted Crew
Base Layer Top
$50
Nike Pro Bra
Nike
Pro Bra
Sports Bra
$30
Terramar Silk Pant
Terramar
Silk Pant
Base Layer Bottom
$28
ExOfficio Give-N-Go Lacy Low Rise Bikini
ExOfficio
Give-N-Go Lacy Low Rise Bikini
Boxers, Briefs, Bikini
$11 - $20
Helly Hansen HH Dry Revolution Pant
Helly Hansen
HH Dry Revolution Pant
Base Layer Bottom
$55
Icebreaker Vertex Legless
Icebreaker
Vertex Legless
Base Layer Bottom
$90
Columbia Midweight 3/4 Tight with Fly
Columbia
Midweight 3/4 Tight with Fly
Base Layer Bottom
$20
Isis Everyday Chantilly Bikini
Isis
Everyday Chantilly Bikini
Boxers, Briefs, Bikini
$9 - $10
Moving Comfort Rebound Racer
Moving Comfort
Rebound Racer
Sports Bra
$25 - $50
DaKine Torque Pant
DaKine
Torque Pant
Base Layer Bottom
$32
Icebreaker 260 Midweight Legging
Icebreaker
260 Midweight Legging
Base Layer Bottom
$20 - $40
Icebreaker Bodyfit 260 Altitude Zip
Icebreaker
Bodyfit 260 Altitude Zip
Base Layer Top
$69
Isis Cable Hoodie
Isis
Cable Hoodie
Base Layer Top
$47 - $56
ExOfficio Give-N-Go Sport Brief
ExOfficio
Give-N-Go Sport Brief
Boxers, Briefs, Bikini
$12 - $23
Moving Comfort Workout Hipster
Moving Comfort
Workout Hipster
Boxers, Briefs, Bikini
$12
Nau M2 Tight
Nau
M2 Tight
Base Layer Bottom
$98
Backcountry.com Merino 150 Base Shirt Long Sleeve
Backcountry.com
Merino 150 Base Shirt Long Sleeve
Base Layer Top
$69
Under Armour Basemap Legging
Under Armour
Basemap Legging
Base Layer Bottom
$39
Minus33 100% Wool Midweight 1/4 Zip
Minus33
100% Wool Midweight 1/4 Zip
Base Layer Top
$59 - $69
Marmot ThermalClime Pro Tight
Marmot
ThermalClime Pro Tight
Base Layer Bottom
$31 - $44
Columbia Baselayer Heavyweight Tight
Columbia
Baselayer Heavyweight Tight
Base Layer Bottom
$53 - $64
Isis Everyday Chantilly Thong
Isis
Everyday Chantilly Thong
Boxers, Briefs, Bikini
$8
Patagonia Barely Hipster
Patagonia
Barely Hipster
Boxers, Briefs, Bikini
$12 - $20
Helly Hansen HH Dry Charger 1/2 Zip
Helly Hansen
HH Dry Charger 1/2 Zip
Base Layer Top
$41 - $54
Icebreaker Express Long Sleeve Half Zip
Icebreaker
Express Long Sleeve Half Zip
Base Layer Top
$60 - $119
Patagonia Cordelisse Bra
Patagonia
Cordelisse Bra
Sports Bra
$39 - $55
REI Midweight Space Dye Crew Shirt
REI
Midweight Space Dye Crew Shirt
Base Layer Top
$47
L.L.Bean Polartec Power Dry Base Layer, Crew Midweight
L.L.Bean
Polartec Power Dry Base Layer, Crew Midweight
Base Layer Top
$20
The North Face Light Boxer Brief
The North Face
Light Boxer Brief
Boxers, Briefs, Bikini
$22 - $35
Mammut Go Dry Pants Long
Mammut
Go Dry Pants Long
Base Layer Bottom
$35 - $41
Wickers Expedition Weight Comfortrel
Wickers
Expedition Weight Comfortrel
Base Layer Bottom
$6 - $15
REI Lightweight Quarter-Zip Shirt
REI
Lightweight Quarter-Zip Shirt
Base Layer Top
$47
Icebreaker Oasis Long Sleeve Crewe Flourish
Icebreaker
Oasis Long Sleeve Crewe Flourish
Base Layer Top
$38 - $56
Icebreaker Oasis Leggings
Icebreaker
Oasis Leggings
Base Layer Bottom
$26 - $90
L.L.Bean Dri-Release Thermal Tee
L.L.Bean
Dri-Release Thermal Tee
Base Layer Top
$15 - $16
SmartWool Lightweight Boxer
SmartWool
Lightweight Boxer
Boxers, Briefs, Bikini
$48 - $52
Patagonia Switchback Bra
Patagonia
Switchback Bra
Sports Bra
$30 - $41
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