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 and above

Top-Rated Base Layers and Underwear

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

Ibex D-Lux Boxer
Ibex
D-Lux Boxer
Boxers, Briefs, Bikini
$42 - $44
Patagonia Turnaround Bra
Patagonia
Turnaround Bra
Sports Bra
$35 - $59
Minus33 100% Wool Midweight Bottoms
Minus33
100% Wool Midweight Bottoms
Base Layer Bottom
$55
The North Face Light Zip Neck
The North Face
Light Zip Neck
Base Layer Top
$27 - $34
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
$40
REI Heavyweight Quarter-Zip Top
REI
Heavyweight Quarter-Zip Top
Base Layer Top
$55
Airblaster Ninja Suit
Airblaster
Ninja Suit
One-Piece Base Layer
$42 - $54
Icebreaker Relay Tank
Icebreaker
Relay Tank
Base Layer Top
$36 - $59
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
$36
Icebreaker Bolt LS Crewe
Icebreaker
Bolt LS Crewe
Base Layer Top
$36 - $89
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
$51 - $59
Helly Hansen Dry Revolution U Neck
Helly Hansen
Dry Revolution U Neck
Base Layer Top
$44
Isis Active Sport Bra
Isis
Active Sport Bra
Sports Bra
$16
Patagonia Barely Bikini
Patagonia
Barely Bikini
Boxers, Briefs, Bikini
$20
SmartWool Lightweight Wind Boxer Briefs
SmartWool
Lightweight Wind Boxer Briefs
Boxers, Briefs, Bikini
$35 - $59
ExOfficio Give-N-Go Full Cut Brief
ExOfficio
Give-N-Go Full Cut Brief
Boxers, Briefs, Bikini
$11 - $20
Icebreaker Siren Cami
Icebreaker
Siren Cami
Base Layer Top
$18 - $50
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 - $120
Stio Basis Power Dry Tight
Stio
Basis Power Dry Tight
Base Layer Bottom
$85
SmartWool Microweight Thong
SmartWool
Microweight Thong
Boxers, Briefs, Bikini
$13 - $18
The North Face Expedition Long-Sleeve Crew
The North Face
Expedition Long-Sleeve Crew
Base Layer Top
$31 - $44
Outdoor Research Sequence Boxer Briefs
Outdoor Research
Sequence Boxer Briefs
Boxers, Briefs, Bikini
$40
Icebreaker 200 Lightweight Pace Legless
Icebreaker
200 Lightweight Pace Legless
Base Layer Bottom
$90
SmartWool NTS Lightweight 195 Crew
SmartWool
NTS Lightweight 195 Crew
Base Layer Top
$63 - $89
Patagonia Crossover Bra
Patagonia
Crossover Bra
Sports Bra
$29 - $49
Burton Lightweight Pant
Burton
Lightweight Pant
Base Layer Bottom
$16
Icebreaker Oasis Long Sleeve Turtleneck
Icebreaker
Oasis Long Sleeve Turtleneck
Base Layer Top
$100
Patagonia Capilene 1 Silkweight Tank
Patagonia
Capilene 1 Silkweight Tank
Base Layer Top
$14 - $29
Ibex Nomad 1/2 Snap Top
Ibex
Nomad 1/2 Snap Top
Base Layer Top
$103
Moving Comfort Calli
Moving Comfort
Calli
Sports Bra
$35
Mountain Hardwear Advance Lightweight Long Sleeve Crew
Mountain Hardwear
Advance Lightweight Long Sleeve Crew
Base Layer Top
$24
Mammut Go Warm Pants 3/4
Mammut
Go Warm Pants 3/4
Base Layer Bottom
$55
SmartWool NTS Micro 150 Tee
SmartWool
NTS Micro 150 Tee
Base Layer Top
$56 - $70
Under Armour ColdGear Base 1.0 Legging
Under Armour
ColdGear Base 1.0 Legging
Base Layer Bottom
$41 - $84
Helly Hansen HH Warm Odin Hybrid 3/4 Pant
Helly Hansen
HH Warm Odin Hybrid 3/4 Pant
Base Layer Bottom
$44 - $71
Patagonia Capilene 1 Stretch Boxer Briefs
Patagonia
Capilene 1 Stretch Boxer Briefs
Boxers, Briefs, Bikini
$18 - $30
L.L.Bean Polartec Power Dry Base Layer, Pants Expedition Weight
L.L.Bean
Polartec Power Dry Base Layer, Pants Expedition Weight
Base Layer Bottom
$40 - $44
Patagonia Overhead Bra
Patagonia
Overhead Bra
Sports Bra
$16 - $31
Kenyon Polarskins Long Underwear Bottom - Midweight
Kenyon
Polarskins Long Underwear Bottom - Midweight
Base Layer Bottom
$17
Minus33 Chocorua Midweight Crew
Minus33
Chocorua Midweight Crew
Base Layer Top
$65
Tasc Performance Bamboo+Merino Base Layer Level A Pant
Tasc Performance
Bamboo+Merino Base Layer Level A Pant
Base Layer Bottom
$60
Patagonia Capilene 4 Expedition Weight Full-Zip Hoody
Patagonia
Capilene 4 Expedition Weight Full-Zip Hoody
Base Layer Top
$83
La Sportiva Atmosphere Long Sleeve
La Sportiva
Atmosphere Long Sleeve
Base Layer Top
$129
Mammut MTR 141 Longsleeve
Mammut
MTR 141 Longsleeve
Base Layer Top
$41 - $54
Columbia Baselayer Midweight Short Sleeve Top
Columbia
Baselayer Midweight Short Sleeve Top
Base Layer Top
$33 - $45
Icebreaker Rush Bra
Icebreaker
Rush Bra
Sports Bra
$33 - $59
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