Men's Classic Thermal Merino Base Layer Crew
Argyle Purple Heather
Picante Heather
Black-Black Cherry Heather
Rhythmic Red
Laguna Blue Heather
Winter Moss Heather
Charcoal Heather
Black
Light Gray Heather
Neptune Blue Heather-Deep Navy Neptune Blue Heather-Deep Navy
Tibetan Red Heather-Black Tibetan Red Heather-Black
Woodsmoke Heather
Military Olive Heather
Pine Gray Heather
Natural
Acorn Heather
Deep Navy-Laguna Blue
Shale Heather
New Colors
$66.00 -  $110.00
Men's Classic Thermal Merino Base Layer 1/4 Zip
Argyle Purple Heather
Shale-Light Gray Heather
Rhythmic Red
Military Olive Heather-Black Military Olive Heather-Black
Black
Charcoal Heather
Deep Navy
Woodsmoke Heather-Charcoal Heather Woodsmoke Heather-Charcoal Heather
Picante Heather
Deep Navy-Laguna Blue
North Woods Heather
Black-Black Cherry Heather
New Colors
$69.00 -  $115.00
Men's Classic Thermal Merino Base Layer Colorblock Crew
Shale Heather
Winter Moss Heather
Black
Deep Navy-Laguna Blue
 $110.00  $66.00
Men's Classic Thermal Merino Base Layer Pattern Bottom
Laguna Blue Heather Color Shift
Picante Heather Color Shift
 $110.00  $66.00
Men's Classic Thermal Merino Base Layer Bottom
Winter Moss Heather
Black Cherry Heather
Black
Charcoal Heather
Deep Navy
$66.00 -  $110.00
Men's Intraknit™ Thermal Merino Base Layer Crew
Winter Moss
Rhythmic Red
Charcoal Heather
Deep Navy-Laguna Blue
Black-White Black-White
$75.00 -  $125.00
Men's Intraknit™ Thermal Merino Base Layer 1/4 Zip
Black-White Black-White
Deep Navy
$81.00 -  $135.00
Men’s Intraknit™ Thermal Merino Base Layer Pattern 1/2 Zip Hoodie
Men's Intraknit™ Thermal Merino Base Layer Bottom
Black-White Black-White
Deep Navy-Laguna Blue
Charcoal Heather-Black Charcoal Heather-Black
$75.00 -  $125.00
Men's Intraknit™ Thermal Merino Base Layer 3/4 Bottom
Black-White Black-White
Charcoal Heather-Black Charcoal Heather-Black
$115.00
Men's Classic All-Season Merino Base Layer Long Sleeve
Fox Brown
Black
Natural
Sage
Light Gray Heather
Iron Heather
Brand New
$90.00
Men's Classic All-Season Merino Base Layer 1/4 Zip
Laguna Blue
Black
Sage
Light Gray Heather
Iron Heather
Brand New
$95.00
Men's Classic All-Season Merino Base Layer Bottom
Sage
Black
Iron Heather
Fox Brown
Brand New
$90.00
Men's Intraknit™ Active Base Layer Bottom
Men's Classic All-Season Plant-Based Dye Merino Base Layer Long Sleeve
Light Indigo Tie Dye
Indigo Blue
Black Tie Dye
Dark Argyle Purple
Brand New
$90.00
Men's Intraknit™ Active Base Layer Long Sleeve
Men’s Classic All-Season Plant-Based Dye Merino Base Layer Bottom
Indigo Blue
Black Tie Dye
Online Exclusive Colors
$90.00
Men's Classic All-Season Plant-Based Dye Merino Base Layer Long Sleeve
Light Flint Wash
Summer Sound Purple Wash
 $85.00  $51.00
Men's Classic Thermal Merino Base Layer Rib Hoodie
Rhythmic Red
Deep Navy
Black
 $140.00  $84.00
Men's Classic Thermal Merino Base Layer Pattern 1/4 Zip
Picante Heather Color Shift
Black Mountain Scape
Rhythmic Red Mountain Scape
Laguna Blue Heather Color Shift
Winter Moss Color Shift
 $115.00  $69.00
Men's Classic Thermal Merino Base Layer Pattern Crew
Black Mountain Scape
Winter Moss Color Shift
Picante Heather Color Shift
Rhythmic Red Mountain Scape
Laguna Blue Heather Color Shift
 $110.00  $66.00
Men's Intraknit™ Thermal Max Merino Base Layer 1/4 Zip

Men's wool base layers are among the most versatile pieces of gear you can own. Our Merino wool base layers help regulate body temperatures and wick away moisture for comfort in all climates. Available with long or short sleeves, full-length or cropped bottoms, and even a full-body hooded one-piece, there's a men's base layer for every activity.