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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Patagonia R1 Bottoms
Patagonia
R1 Bottoms
Base Layer Bottom
$62
Icebreaker Oasis Leggings w/ Fly
Icebreaker
Oasis Leggings w/ Fly
Base Layer Bottom
$42 - $89
DaKine Talon Crew Top
DaKine
Talon Crew Top
Base Layer Top
$22
Icebreaker Sprite Hot Pant
Icebreaker
Sprite Hot Pant
Boxers, Briefs, Bikini
$18 - $29
Under Armour HeatGear Fitted Shortsleeve Crew
Under Armour
HeatGear Fitted Shortsleeve Crew
Base Layer Top
$22
ExOfficio Give-N-Go Lacy Thong
ExOfficio
Give-N-Go Lacy Thong
Boxers, Briefs, Bikini
$12 - $20
ExOfficio Give-N-Go Brief
ExOfficio
Give-N-Go Brief
Boxers, Briefs, Bikini
$12 - $20
Hot Chillys PeachSkins Crew
Hot Chillys
PeachSkins Crew
Base Layer Top
$25
Norrona Narvik Tech+ Sweater
Norrona
Narvik Tech+ Sweater
Base Layer Top
$65 - $81
Icebreaker Tech T Lite Short Sleeve Alps for Breakfast
Icebreaker
Tech T Lite Short Sleeve Alps for Breakfast
Base Layer Top
$41 - $55
Ibex Shak Lite 1/2 Zip
Ibex
Shak Lite 1/2 Zip
Base Layer Top
$67 - $124
EMS Techwick Midweight 1/2 Zip
EMS
Techwick Midweight 1/2 Zip
Base Layer Top
$25 - $49
REI Mesh MTS Boxers
REI
Mesh MTS Boxers
Base Layer Bottom
$23
Columbia Quickest Wick Short Sleeve Top
Columbia
Quickest Wick Short Sleeve Top
Base Layer Top
$21 - $27
Patagonia Capilene 1 Silkweight Stretch Crew
Patagonia
Capilene 1 Silkweight Stretch Crew
Base Layer Top
$21 - $35
L.L.Bean Polypro Base Layer Underwear, Long-Sleeve Crew
L.L.Bean
Polypro Base Layer Underwear, Long-Sleeve Crew
Base Layer Top
$50
Patagonia Active Hipster
Patagonia
Active Hipster
Boxers, Briefs, Bikini
$13 - $20
Isis Active Hipster
Isis
Active Hipster
Boxers, Briefs, Bikini
$9
The North Face Warm Tight
The North Face
Warm Tight
Base Layer Bottom
$27 - $84
Patagonia Capilene 1 Silkweight Graphic T-Shirt
Patagonia
Capilene 1 Silkweight Graphic T-Shirt
Base Layer Top
$18 - $49
Minus33 Algonquin Lightweight Merino Crew
Minus33
Algonquin Lightweight Merino Crew
Base Layer Top
$55
SmartWool Microweight V-Neck Long Sleeve
SmartWool
Microweight V-Neck Long Sleeve
Base Layer Top
$45
The North Face Warm Merino Zip Neck
The North Face
Warm Merino Zip Neck
Base Layer Top
$49
REI Seamless Tank Top
REI
Seamless Tank Top
Base Layer Top
$40
Arc'teryx Rho LTW Zip
Arc'teryx
Rho LTW Zip
Base Layer Top
$77 - $128
Stoic Merino 200 Boy Boxer
Stoic
Merino 200 Boy Boxer
$21
Patagonia Capilene 2 Lightweight Briefs
Patagonia
Capilene 2 Lightweight Briefs
Boxers, Briefs, Bikini
$17 - $30
Polarmax 4-Way Stretch Zip Mock T
Polarmax
4-Way Stretch Zip Mock T
Base Layer Top
$40
Icebreaker 260 Cascade Half Zip
Icebreaker
260 Cascade Half Zip
Base Layer Top
$105
Ibex D-Lux Boxer
Ibex
D-Lux Boxer
Boxers, Briefs, Bikini
$42 - $59
Patagonia Turnaround Bra
Patagonia
Turnaround Bra
Sports Bra
$35 - $59
Minus33 100% Wool Midweight Bottoms
Minus33
100% Wool Midweight Bottoms
Base Layer Bottom
$61
The North Face Light Zip Neck
The North Face
Light Zip Neck
Base Layer Top
$32 - $36
ExOfficio Give-N-Go Lacy Tank
ExOfficio
Give-N-Go Lacy Tank
Base Layer Top
$19 - $31
Polarmax 4-Way Stretch Crew
Polarmax
4-Way Stretch Crew
Base Layer Top
$32 - $39
Airblaster Ninja Suit
Airblaster
Ninja Suit
One-Piece Base Layer
$48 - $54
Icebreaker Relay Tank
Icebreaker
Relay Tank
Base Layer Top
$36 - $60
Tasc Performance Boxer Brief
Tasc Performance
Boxer Brief
Boxers, Briefs, Bikini
$24
The North Face Warm Blended Merino Long Sleeve Crew
The North Face
Warm Blended Merino Long Sleeve Crew
Base Layer Top
$44
Icebreaker Bolt LS Crewe
Icebreaker
Bolt LS Crewe
Base Layer Top
$49
Columbia Baselayer Lightweight Short Sleeve Top
Columbia
Baselayer Lightweight Short Sleeve Top
Base Layer Top
$27 - $29
Minus33 Ticonderoga Lightweight Merino Crew
Minus33
Ticonderoga Lightweight Merino Crew
Base Layer Top
$50
Helly Hansen Dry Revolution U Neck
Helly Hansen
Dry Revolution U Neck
Base Layer Top
$55
Isis Active Sport Bra
Isis
Active Sport Bra
Sports Bra
$18
Patagonia Barely Bikini
Patagonia
Barely Bikini
Boxers, Briefs, Bikini
$12 - $20
SmartWool Lightweight Wind Boxer Briefs
SmartWool
Lightweight Wind Boxer Briefs
Boxers, Briefs, Bikini
$55 - $59
ExOfficio Give-N-Go Full Cut Brief
ExOfficio
Give-N-Go Full Cut Brief
Boxers, Briefs, Bikini
$12 - $20
Icebreaker Siren Cami
Icebreaker
Siren Cami
Base Layer Top
$22 - $36
Icebreaker 200 Lightweight Pace Legging
Icebreaker
200 Lightweight Pace Legging
Base Layer Bottom
$70 - $99
SmartWool PhD Lightweight Wind Zip T
SmartWool
PhD Lightweight Wind Zip T
Base Layer Top
$66 - $119
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