Men's Base Layers and Underwear

Categories

Tops
Bottoms
One-Piece Base Layers
Boxers, Briefs, Bikinis
Arm and Leg Sleeves

Brands

ExOfficio
Patagonia
Arc'teryx
SmartWool
Icebreaker
Polarmax
Helly Hansen
Stoic
Marmot
Kenyon

Price

less than $25
$25 - $49.99
$50 - $99.99
$100 and above

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

ExOfficio Give-N-Go Boxer Brief
user rating: 5 of 5 (5)
ExOfficio
Give-N-Go Boxer Brief
Boxers, Briefs, Bikini
$16 - $26
Patagonia Capilene 2 Lightweight Zip-Neck
user rating: 5 of 5 (3)
Patagonia
Capilene 2 Lightweight Zip-Neck
Base Layer Top
$33 - $55
Arc'teryx Rho LT Zip
user rating: 5 of 5 (2)
Arc'teryx
Rho LT Zip
Base Layer Top
$77 - $96
Patagonia Merino 2 Lightweight Crew
user rating: 5 of 5 (2)
Patagonia
Merino 2 Lightweight Crew
Base Layer Top
$45 - $90
Patagonia Capilene 4 Expedition Weight Zip-Neck
user rating: 5 of 5 (1)
Patagonia
Capilene 4 Expedition Weight Zip-Neck
Base Layer Top
$54 - $99
Patagonia R1 Pants
user rating: 5 of 5 (2)
Patagonia
R1 Pants
Base Layer Bottom
$99
SmartWool Midweight Zip T
user rating: 5 of 5 (2)
SmartWool
Midweight Zip T
Base Layer Top
$75 - $105
Icebreaker 260 Midweight LS Crewe
user rating: 4 of 5 (3)
Icebreaker
260 Midweight LS Crewe
Base Layer Top
$41 - $68
SmartWool Microweight Crew
user rating: 4 of 5 (2)
SmartWool
Microweight Crew
Base Layer Top
$48 - $80
SmartWool Microweight Tee
user rating: 4.5 of 5 (3)
SmartWool
Microweight Tee
Base Layer Top
$55 - $75
Icebreaker 260 Midweight Tech Top
user rating: 5 of 5 (1)
Icebreaker
260 Midweight Tech Top
Base Layer Top
$49
Icebreaker Oasis Long Sleeve Crewe
user rating: 5 of 5 (1)
Icebreaker
Oasis Long Sleeve Crewe
Base Layer Top
$50 - $89
Patagonia Capilene 2 Lightweight Crew
user rating: 5 of 5 (1)
Patagonia
Capilene 2 Lightweight Crew
Base Layer Top
$29 - $49
Polarmax Tech Silk Crew
user rating: 5 of 5 (1)
Polarmax
Tech Silk Crew
Base Layer Top
$20
SmartWool Midweight Crew
user rating: 5 of 5 (1)
SmartWool
Midweight Crew
Base Layer Top
$69 - $95
Helly Hansen Fly Pant
user rating: 5 of 5 (1)
Helly Hansen
Fly Pant
Base Layer Bottom
$26 - $39
Stoic Merino 200 Boxer Brief
user rating: 5 of 5 (1)
Stoic
Merino 200 Boxer Brief
Boxers, Briefs, Bikini
$45
Marmot Lightweight Bottom
user rating: 5 of 5 (1)
Marmot
Lightweight Bottom
Base Layer Bottom
$75
Marmot Midweight Crew LS
user rating: 5 of 5 (1)
Marmot
Midweight Crew LS
Base Layer Top
$30
Patagonia Capilene 3 Midweight Bottoms
user rating: 5 of 5 (1)
Patagonia
Capilene 3 Midweight Bottoms
Base Layer Bottom
$33 - $55
SmartWool Lightweight Zip T
user rating: 4 of 5 (2)
SmartWool
Lightweight Zip T
Base Layer Top
$70 - $95
SmartWool Microweight Bottom
user rating: 4.5 of 5 (1)
SmartWool
Microweight Bottom
Base Layer Bottom
$55 - $75
Patagonia Capilene 2 Lightweight T-Shirt
user rating: 4.5 of 5 (1)
Patagonia
Capilene 2 Lightweight T-Shirt
Base Layer Top
$27 - $45
Icebreaker Anatomica Brief
user rating: 4.5 of 5 (1)
Icebreaker
Anatomica Brief
Boxers, Briefs, Bikini
$16 - $20
SmartWool Midweight Funnel Zip
user rating: 4.5 of 5 (1)
SmartWool
Midweight Funnel Zip
Base Layer Top
$80 - $114
Kenyon Power Stretch Baselayer Bottoms
user rating: 4.5 of 5 (1)
Kenyon
Power Stretch Baselayer Bottoms
Base Layer Bottom
$26 - $44
Patagonia Merino 3 Midweight Crew
user rating: 4.5 of 5 (1)
Patagonia
Merino 3 Midweight Crew
Base Layer Top
$62 - $115
SmartWool Midweight Bottom
user rating: 5 of 5 (1)
SmartWool
Midweight Bottom
Base Layer Bottom
$64 - $95
Marmot Midweight Zip LS
user rating: 4 of 5 (2)
Marmot
Midweight Zip LS
Base Layer Top
$30
Terramar SmartSilk Tights
user rating: 3 of 5 (1)
Terramar
SmartSilk Tights
Base Layer Bottom
$45
SportHill Northwind Unders
user rating: 4 of 5 (1)
SportHill
Northwind Unders
Boxers, Briefs, Bikini
$36
Under Armour Original Series 9-inch Boxerjock
user rating: 4 of 5 (1)
Under Armour
Original Series 9-inch Boxerjock
Boxers, Briefs, Bikini
$20
Patagonia Merino 2 Lightweight T-Shirt
user rating: 4 of 5 (1)
Patagonia
Merino 2 Lightweight T-Shirt
Base Layer Top
$42 - $80
Icebreaker 200 Lightweight Legging
user rating: 4 of 5 (1)
Icebreaker
200 Lightweight Legging
Base Layer Bottom
$58 - $72
Terramar Thermawool Merino Crew Top
user rating: 4 of 5 (1)
Terramar
Thermawool Merino Crew Top
Base Layer Top
$40
Helly Hansen HH Dry 2-Pack
Helly Hansen
HH Dry 2-Pack
$47
Terramar Thermawool Pant
Terramar
Thermawool Pant
Base Layer Bottom
$40
Icebreaker Oasis Long Sleeve Crewe Slopes
Icebreaker
Oasis Long Sleeve Crewe Slopes
Base Layer Top
$66 - $75
Icebreaker Anatomica Crewe
Icebreaker
Anatomica Crewe
Base Layer Top
$26 - $65
DaKine Quick Draw Crew Top
DaKine
Quick Draw Crew Top
Base Layer Top
$20
 
Minus33
Tecumseh Midweight 3/4 Bottoms
Base Layer Bottom
$58
L.L.Bean Silk Underwear, Crewneck
L.L.Bean
Silk Underwear, Crewneck
Base Layer Top
$55
Under Armour Base 3.0 1/4 Zip
Under Armour
Base 3.0 1/4 Zip
Base Layer Top
$48 - $79
L.L.Bean Power Dry Stretch Base Layer, Lightweight Pants
L.L.Bean
Power Dry Stretch Base Layer, Lightweight Pants
Base Layer Bottom
$30 - $34
Icebreaker 200 Lightweight Sprint Boxer Brief
Icebreaker
200 Lightweight Sprint Boxer Brief
Boxers, Briefs, Bikini
$27
Patagonia Merino 3 Midweight Bottoms
Patagonia
Merino 3 Midweight Bottoms
Base Layer Bottom
$58 - $115
Minus33 Acadian Lightweight Boxer Brief
Minus33
Acadian Lightweight Boxer Brief
Boxers, Briefs, Bikini
$30 - $31
Icebreaker Sierra Half Zip
Icebreaker
Sierra Half Zip
Base Layer Top
$87
Salomon Lightweight Long-Sleeve Crew Top
Salomon
Lightweight Long-Sleeve Crew Top
Base Layer Top
$30
Arc'teryx Phase SV Crew LS
Arc'teryx
Phase SV Crew LS
Base Layer Top
$63 - $78
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