Base Layer Tops

Fjallraven Bergtagen Woolmesh Sweater
$106 -
$111

Voormi River Run Hoodie
$139

Helly Hansen HH LIFA Stripe Crew
$45

Patagonia Merino Air Hoody

Ridge Merino Inversion Heavyweight Crew
$90
MSRP

Patagonia Capilene 2 Lightweight Zip-Neck

Icebreaker Bodyfit 150 Long Sleeve Crewe

Woolx Everyday Long Sleeve Crew 230 Midweight
$74
MSRP

Patagonia Capilene 4 Expedition Weight Zip-Neck

Icebreaker Oasis Long Sleeve Crewe

Icebreaker Everyday Long Sleeve Crewe

Stoic Alpine Merino 150 Crew - Long-Sleeve

U.S. Military Gen III, Level 2 ECWCS Top

Mont Slinx LS Zip

Icebreaker 260 Midweight Tech Top
$110
MSRP

Marmot Lightweight Crew LS
$45
MSRP

Polarmax Tech Silk Crew
$30
MSRP

First Lite Chama Hoody

Patagonia Merino 2 Lightweight Crew
$70
MSRP

Mountain Hardwear Power Stretch Zip T
$95
MSRP

Ibex Indie Zip T
$95
MSRP

Smartwool NTS Mid 250 Hoody

Helly Hansen HH Dry Stripe Crew
discontinued

Ibex Swerve Long Sleeve Top
discontinued

Bight Gear Solstice Graphene Hoody
$69
MSRP
discontinued
discontinued

Smartwool Midweight Zip T
$90
MSRP
discontinued
discontinued

Patagonia Capilene MW Variable Knit Crew
discontinued

Icebreaker Bodyfit 260 Slalom Zip
discontinued

Kora Shola 230 Crew
$145
MSRP
discontinued
discontinued

Patagonia Wool 2 Crew
discontinued

Black Diamond Solution 150 Merino Base Crew
$68 -
$135

Smartwool Merino 150 Pocket Tee
Base Layer Top / Short Sleeve Performance
$50

Patagonia Capilene Air Hoody

Smartwool Microweight Tee

Outdoor Research Enigma Half Zip
$79
MSRP

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

FORLOH Deep Space Half Zip Long Sleeve Top
$129
MSRP

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

Smartwool Midweight Funnel Zip
$100
MSRP

Smartwool Microweight Crew

Craft Active Extreme 2.0 CN LS Top

Patagonia Merino 3 Midweight Crew
$85
MSRP

Eddie Bauer First Ascent Midweight Crewneck Baselayer
$45
MSRP

Stoic Merino Bliss Shirt - Long-Sleeve

Icebreaker 260 Midweight LS Crewe
$100
MSRP

Minus33 100% Wool Mid Weight Turtleneck

MEC T3 Zip-T
discontinued

Icebreaker GT 200 L/S Chase Zip
discontinued
1
Other Types of Base Layers and Underwear
Find more base layers and underwear reviewed in these related categories:

Base Layer Bottoms

Boxers, Briefs, Bikinis

Arm and Leg Sleeves
