Shop REI - Boulder + Base Layer Clothing
SMARTWOOL
Women's Classic Thermal Merino Base Layer Bottom
$110 - $115
PATAGONIA
Men's Cap MW Zip Neck
$79 - $89
PATAGONIA
Women's Cap MW Crew
$69 - $79
ICEBREAKER
Men's 260 Tech LS Crewe
$125
ARC'TERYX
Rho Merino Wool Underdel Dame
$1,299
ARC'TERYX
Rho Zip Neck Dame
$1,299
ARC'TERYX
Rho Crew Neck LS Dame
$1,099
SMARTWOOL
Men's Classic All-Season Merino Base Layer Bottom
$90
SMARTWOOL
Men's Intraknit Thermal Merino Base Layer Bottom
$125
SMARTWOOL
Women's Classic Thermal Merino Base Layer 1/4 Zip Plus
$115 - $120
SMARTWOOL
Women's Classic Thermal Merino Base Layer Crew
$110 - $115
SMARTWOOL
Women's Classic All-Season Merino Base Layer Bottom
$90
ARC'TERYX
Rho Underdel Dame
$1,099
SMARTWOOL
Women's Intraknit Bikini
$34
SMARTWOOL
Men's Classic All-Season Merino Base Layer Crew
$90
SMARTWOOL
Women's Classic Thermal Merino Base Layer Crew Plus
$110 - $115
SMARTWOOL
Women's Classic Thermal Merino Base Layer 1/4 Zip
$115 - $120
ICEBREAKER
Women's Merino 260 Vertex Leggings Natural Shades
$140
ICEBREAKER
Women's 200 Oasis LS Crewe
$105
ICEBREAKER
Women's 200 Oasis Leggings
$105
SMARTWOOL
Women's Classic All-Season Merino Base Layer Crew
$90
SMARTWOOL
Men's Classic Thermal Merino Base Layer 1/4 Zip
$115 - $120
SMARTWOOL
Men's Classic Thermal Merino Base Layer Bottom
$110 - $115
THE NORTH FACE
Girls' Never Stop Reversible Tanklette
$40
SMARTWOOL
Women's Classic Thermal Merino Base Layer Bottom Plus
$110 - $115
PATAGONIA
Women's Cap MW Zip Neck
$79 - $89
SMARTWOOL
Men's Intraknit Thermal Merino Base Layer 1/4 Zip
$135 - $140
SMARTWOOL
Women's Intraknit Thermal Max Merino Base Layer Bottom
$130
ICEBREAKER
Men's 200 Oasis Leggings w Fly
$105
SMARTWOOL
Women's Classic All-Season Merino Base Layer Bottom Plus
$90