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Merino Base Layers

(218 products)

Products (218)

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Colors
Top Rated
SmartwoolClassic All-Season Merino Long-Sleeve Base Layer Top - Men's
$45.83 - $90.00
279 reviews with an average rating of 4.7 out of 5 stars
Colors
REI Outlet
SmartwoolIntraknit Thermal Merino Colorblock Crew Base Layer Top - Men's
$93.73
Save 25%
compared to $125.00
0 reviews
REI Co-opMerino 185 Base Layer Bottoms - Men's Tall Sizes
$79.95
13 reviews with an average rating of 3.9 out of 5 stars
Colors
REI Co-opMerino 185 Base Layer Bottoms - Women's
$79.95
62 reviews with an average rating of 4.3 out of 5 stars
Colors
Top Rated
SmartwoolClassic Thermal Merino Crew Base Layer Top - Men's
$115.00
647 reviews with an average rating of 4.8 out of 5 stars
Colors
Top Rated
REI Co-opMerino 185 Long-Sleeve Base Layer Top - Women's Plus Sizes
$23.83 - $79.95
15 reviews with an average rating of 4.8 out of 5 stars
Colors
Top Rated
SmartwoolClassic Thermal Merino Crew Base Layer Top - Women's
$54.83 - $115.00
887 reviews with an average rating of 4.7 out of 5 stars
Colors
REI Outlet
SmartwoolClassic Thermal Merino Base Layer Half-Zip Hoodie - Women's
$104.73
Save 25%
compared to $140.00
0 reviews
Colors
New arrival
Ortovox185 Merino Rock'n'wool Long-Sleeve Base Layer Top - Women's
$110.00
1 reviews with an average rating of 5.0 out of 5 stars
Colors
Top Rated
REI Co-opMerino Midweight Base Layer Top - Kids'
$49.95
15 reviews with an average rating of 4.7 out of 5 stars
Colors
New arrival
IcebreakerMerino 260 Vertex Base Layer Leggings Herenga - Women's
$140.00
0 reviews
Top Rated
REI Co-opMerino 185 Long-Sleeve Half-Zip Base Layer Top - Men's Tall Sizes
$89.95
11 reviews with an average rating of 4.9 out of 5 stars
Colors
Top Rated
SmartwoolClassic All-Season Merino Base Layer Bottoms - Men's
$90.00
97 reviews with an average rating of 4.6 out of 5 stars
Colors
Top Rated
REI Co-opMerino Midweight Base Layer Bottoms - Kids'
$49.95
8 reviews with an average rating of 4.5 out of 5 stars
Colors
REI Outlet
Kari TraaOline Base Layer Bottoms - Women's
$74.73
Save 25%
compared to $100.00
0 reviews
Colors
Top Rated
SmartwoolClassic All-Season Merino Quarter-Zip Base Layer Top - Men's
$95.00
93 reviews with an average rating of 4.6 out of 5 stars
REI Outlet
SmartwoolClassic Thermal Merino Crew Base Layer Top - Women's
$82.73
Save 24%
compared to $110.00
0 reviews
Colors
Top Rated
Icebreaker260 Tech Half-Zip Base Layer Top - Men's
$135.00
387 reviews with an average rating of 4.7 out of 5 stars
Colors
Top Rated
REI Co-opMerino 185 Long-Sleeve Half-Zip Base Layer Top - Women's Plus Sizes
$26.83 - $89.95
10 reviews with an average rating of 5.0 out of 5 stars
Colors
Top Rated
SmartwoolClassic Thermal Merino Base Layer Hoodie - Kids'
$75.00
6 reviews with an average rating of 4.5 out of 5 stars
Colors
SmartwoolClassic All-Season Merino Long-Sleeve Base Layer Top - Women's
$90.00
230 reviews with an average rating of 4.5 out of 5 stars
Colors
Top Rated
SmartwoolClassic All-Season Merino Lace Base Layer Long-Sleeve Top - Women's
$85.00 - $90.00
26 reviews with an average rating of 4.6 out of 5 stars
SmartwoolIntraknit Thermal Max Merino Base Layer Bottoms - Women's
$135.00
54 reviews with an average rating of 4.1 out of 5 stars
Colors
Kari TraaElenore Base Layer Tights - Women's
$35.83
Save 57%
compared to $85.00
0 reviews
REI Outlet
Kari TraaFloke Base Layer Top - Women's
$55.73
Save 30%
compared to $80.00
19 reviews with an average rating of 4.5 out of 5 stars
Sale Ends Sep 28
Colors
REI Outlet
SmartwoolClassic Thermal Merino Quarter-Zip Base Layer Top - Women's
$56.73
Save 50%
compared to $115.00
0 reviews
Colors
Top Rated
Icebreaker260 Tech Crewe Base Layer Top - Men's
$125.00
423 reviews with an average rating of 4.8 out of 5 stars
Sale Ends Sep 28
Colors
REI Outlet
SmartwoolClassic Thermal Merino Crew Base Layer Top - Men's
$54.73
Save 50%
compared to $110.00
0 reviews
Colors
Top Rated
REI Co-opMerino 185 Base Layer Bottoms - Men's
$31.83 - $79.95
79 reviews with an average rating of 4.5 out of 5 stars

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SmartwoolClassic All-Season Merino Long-Sleeve Base Layer Top - Men's

SmartwoolIntraknit Thermal Merino Colorblock Crew Base Layer Top - Men's

REI Co-opMerino 185 Base Layer Bottoms - Men's Tall Sizes

REI Co-opMerino 185 Base Layer Bottoms - Women's

SmartwoolClassic Thermal Merino Crew Base Layer Top - Men's

REI Co-opMerino 185 Long-Sleeve Base Layer Top - Women's Plus Sizes

SmartwoolClassic Thermal Merino Crew Base Layer Top - Women's

SmartwoolClassic Thermal Merino Base Layer Half-Zip Hoodie - Women's

Ortovox185 Merino Rock'n'wool Long-Sleeve Base Layer Top - Women's

REI Co-opMerino Midweight Base Layer Top - Kids'

IcebreakerMerino 260 Vertex Base Layer Leggings Herenga - Women's

REI Co-opMerino 185 Long-Sleeve Half-Zip Base Layer Top - Men's Tall Sizes

SmartwoolClassic All-Season Merino Base Layer Bottoms - Men's

REI Co-opMerino Midweight Base Layer Bottoms - Kids'

Kari TraaOline Base Layer Bottoms - Women's

SmartwoolClassic All-Season Merino Quarter-Zip Base Layer Top - Men's

SmartwoolClassic Thermal Merino Crew Base Layer Top - Women's

Icebreaker260 Tech Half-Zip Base Layer Top - Men's

REI Co-opMerino 185 Long-Sleeve Half-Zip Base Layer Top - Women's Plus Sizes

SmartwoolClassic Thermal Merino Base Layer Hoodie - Kids'

SmartwoolClassic All-Season Merino Long-Sleeve Base Layer Top - Women's

SmartwoolClassic All-Season Merino Lace Base Layer Long-Sleeve Top - Women's

SmartwoolIntraknit Thermal Max Merino Base Layer Bottoms - Women's

Kari TraaElenore Base Layer Tights - Women's

Kari TraaFloke Base Layer Top - Women's

SmartwoolClassic Thermal Merino Quarter-Zip Base Layer Top - Women's

Icebreaker260 Tech Crewe Base Layer Top - Men's

SmartwoolClassic Thermal Merino Crew Base Layer Top - Men's

REI Co-opMerino 185 Base Layer Bottoms - Men's