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

EMS Techwick Midweight Long Underwear Crew
EMS
Techwick Midweight Long Underwear Crew
Base Layer Top
$27
Rab MeCo 165 Long Sleeve Zip Tee
Rab
MeCo 165 Long Sleeve Zip Tee
Base Layer Top
$100
Patagonia Piton Bottoms
Patagonia
Piton Bottoms
Base Layer Bottom
$99
Icebreaker 150 Ultralite SS Atlas
Icebreaker
150 Ultralite SS Atlas
Base Layer Top
$38
Columbia Coolest Cool Short Sleeve Top
Columbia
Coolest Cool Short Sleeve Top
Base Layer Top
$25 - $30
Helly Hansen HH Warm 3/4 Pant
Helly Hansen
HH Warm 3/4 Pant
Base Layer Bottom
$35 - $69
EMS Heavyweight Tights
EMS
Heavyweight Tights
Base Layer Bottom
$36
 
REI
Heavyweight Tights
Base Layer Bottom
$50
Moving Comfort Fiona
Moving Comfort
Fiona
Sports Bra
$23 - $46
Polarmax Quattro Fleece Zip Mock
Polarmax
Quattro Fleece Zip Mock
Base Layer Top
$40 - $49
EMS Seamless Demi Bra
EMS
Seamless Demi Bra
Sports Bra
$20
Helly Hansen HH Dry Revolution SS Top
Helly Hansen
HH Dry Revolution SS Top
Base Layer Top
$30 - $54
Icebreaker Pursuit Legless
Icebreaker
Pursuit Legless
Base Layer Bottom
$100
Icebreaker Siren Short Sleeve Sweetheart
Icebreaker
Siren Short Sleeve Sweetheart
Base Layer Top
$42 - $64
Icebreaker Apex Long Sleeve Crewe
Icebreaker
Apex Long Sleeve Crewe
Base Layer Top
$64 - $139
Kenyon Polarskins Long Undewear Shirt - Lightweight
Kenyon
Polarskins Long Undewear Shirt - Lightweight
Base Layer Top
$13
SmartWool Microweight Zip-T
SmartWool
Microweight Zip-T
Base Layer Top
$55 - $63
ExOfficio Give-N-Go Shelf Bra Camisole
ExOfficio
Give-N-Go Shelf Bra Camisole
Sports Bra
$14 - $39
REI Heavyweight Crew Shirt
REI
Heavyweight Crew Shirt
Base Layer Top
$50
CEP Compression Calf Sleeves
CEP
Compression Calf Sleeves
Arm or Leg Sleeves
$16 - $17
Icebreaker Anatomica Relaxed Boxers w/Fly
Icebreaker
Anatomica Relaxed Boxers w/Fly
Boxers, Briefs, Bikini
$40
Under Armour Base 4.0 Crew
Under Armour
Base 4.0 Crew
Base Layer Top
$85
Patagonia Barely Wireless Bra
Patagonia
Barely Wireless Bra
Sports Bra
$23 - $39
Icebreaker Bolt Long Sleeve Half Zip
Icebreaker
Bolt Long Sleeve Half Zip
Base Layer Top
$45 - $99
The North Face Light Boot Top Bottom
The North Face
Light Boot Top Bottom
Base Layer Bottom
$26
Patagonia Merino 1 Silkweight T-Shirt
Patagonia
Merino 1 Silkweight T-Shirt
Base Layer Top
$33 - $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
$36 - $79
 
Stio
Basis Stretch Merino Crew
Base Layer Top
$115
Rab AL Pull-On
Rab
AL Pull-On
Base Layer Top
$100
L.L.Bean Power Dry Stretch Base Layer, Expedition Weight Pants
L.L.Bean
Power Dry Stretch Base Layer, Expedition Weight Pants
Base Layer Bottom
$40
Icebreaker LS Siren Sweetheart
Icebreaker
LS Siren Sweetheart
Base Layer Top
$38 - $75
Columbia Coolest Cool Long Sleeve Top
Columbia
Coolest Cool Long Sleeve Top
Base Layer Top
$31 - $42
Patagonia Merino 1 Silkweight Crew
Patagonia
Merino 1 Silkweight Crew
Base Layer Top
$45 - $80
SmartWool Midweight Pattern Zip-T
SmartWool
Midweight Pattern Zip-T
Base Layer Top
$66 - $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 - $31
ExOfficio Give-N-Go Lacy Low Rise Bikini
ExOfficio
Give-N-Go Lacy Low Rise Bikini
Boxers, Briefs, Bikini
$11 - $20
SportHill Summit Tight
SportHill
Summit Tight
Base Layer Bottom
$110
Helly Hansen HH Dry Revolution Pant
Helly Hansen
HH Dry Revolution Pant
Base Layer Bottom
$60
Icebreaker Vertex Legless
Icebreaker
Vertex Legless
Base Layer Bottom
$100
REI Seamless Tights
REI
Seamless Tights
Base Layer Bottom
$50
L.L.Bean Power Dry Stretch Base Layer, High-Efficiency Hooded
L.L.Bean
Power Dry Stretch Base Layer, High-Efficiency Hooded
Base Layer Top
$69 - $74
Isis Everyday Chantilly Bikini
Isis
Everyday Chantilly Bikini
Boxers, Briefs, Bikini
$8
Moving Comfort Rebound Racer
Moving Comfort
Rebound Racer
Sports Bra
$22 - $50
DaKine Torque Pant
DaKine
Torque Pant
Base Layer Bottom
$36
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