Base Layers and Underwear
Category
- Base Layer Tops (80)
- Base Layer Bottoms (31)
- Boxers, Briefs, Bikinis (20)

Ibex Balance Briefs
Boxer/Brief/Bikini
$25
MSRP

Fjallraven Bergtagen Longjohns
Bottom
$140
MSRP

Mountain Hardwear Power Stretch Zip T
Top
$95
MSRP

Smartwool NTS Mid 250 Hoody
Top

Polarmax Tech Silk Crew
Top
$30
MSRP

Patagonia Merino Air Bottoms
Bottom

Adidas Sport Performance Flex 360 Boxer Brief
Boxer/Brief/Bikini

New Balance Performance Underwear 9 Inch Inseam Boxer Brief
Boxer/Brief/Bikini

Woolx Everyday Long Sleeve Crew 230 Midweight
Top
$74
MSRP

Bight Gear Solstice Graphene Hoody
Top
$69
MSRP

Smartwool Midweight Turtleneck
Top
$85
MSRP

Mont Slinx LS Zip
Top

Patagonia Merino Air Hoody
Top

Mountain Equipment Crux LS Crew

First Lite Chama Hoody
Top

Smartwool NTS Mid 250 Bottom
Bottom

Ridge Merino Inversion Heavyweight Crew
Top
$90
MSRP

Ibex Indie Zip T
Top
$95
MSRP

Terramar TXO 3.0 Body-Sensors

Smartwool Lightweight Zip T
Top

Eddie Bauer First Ascent Midweight Crewneck Baselayer
Top
$45
MSRP

Outdoor Research Enigma Boxer Briefs
Boxer/Brief/Bikini
$34
MSRP

Ridge Merino Inversion Midweight Bottoms
Bottom
$50
MSRP

Eddie Bauer First Ascent Midweight Baselayer Pants
Bottom
$45
MSRP

Helly Hansen HH Lifa Merino Pant
Bottom
$90
MSRP

Outdoor Research Enigma Bottoms
Bottom
$69
MSRP

Outdoor Research Enigma Half Zip
Top
$79
MSRP

Appalachian Gear Company All-Paca Crew
Long Sleeve Performance Top / Top
$145
MSRP

Smartwool Microweight Bottom
Bottom
$70
MSRP

Craft Active Extreme 2.0 CN LS Top
Top

ExOfficio Give-N-Go Sport Mesh Brief
Boxer/Brief/Bikini
$26
MSRP

Helly Hansen HH Lifa Merino 1/2 Zip
Top
$100
MSRP

Minus33 100% Wool Mid Weight Turtleneck
Top

Smartwool Merino 150 Pocket Tee
Top / Short Sleeve Performance
$85
MSRP

Smartwool Midweight Funnel Zip
Top
$100
MSRP

Patagonia Merino 3 Midweight Crew
Top
$85
MSRP

Smartwool Midweight Bottom
Bottom
$80
MSRP

MyPakage Action Series Boxer Brief
Boxer/Brief/Bikini
$40
MSRP

Marmot Midweight Zip LS
Top
$60
MSRP

Terramar SmartSilk Tights
Bottom
$60
MSRP

RedRam Merino Legging
Bottom

Wickers Visco-Wool Boxer
Boxer/Brief/Bikini

Patagonia Capilene Daily T-Shirt
Top

Patagonia Capilene 1 Silkweight Crew
Top

Woolx X704
Top
$170
MSRP

Isis Henna Day
Sports Bra
$34
MSRP

Smartwool Merino Sport 150 Hidden Pocket Tech Tee
Short Sleeve Performance Top / Top
$65
MSRP

ExOfficio Give-N-Go Lacy Full Cut Brief
Boxer/Brief/Bikini