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Merino Wool Underwear

(295 products)

Products (295)

Sort: Best Match

Sale Ends Dec 2
Top Rated
SmartwoolClassic Thermal Merino Base Layer Bottoms - Men's
$86.19
Save 25%
compared to $115.00
572 reviews with an average rating of 4.8 out of 5 stars
Underwear Weight:
Midweight
Size Type:
Regular, Big
Sale Ends Dec 2
SmartwoolClassic Thermal Merino Base Layer Bottoms - Women's
$86.19
Save 25%
compared to $115.00
701 reviews with an average rating of 4.5 out of 5 stars
Underwear Weight:
Midweight
Size Type:
Regular
Sale Ends Dec 2
Top Rated
SmartwoolClassic Thermal Merino Crew Base Layer Top - Women's
$86.19
Save 25%
compared to $115.00
1097 reviews with an average rating of 4.7 out of 5 stars
Underwear Weight:
Midweight
Size Type:
Regular, Plus
Sale Ends Dec 2
Top Rated
SmartwoolClassic Thermal Merino Quarter-Zip Base Layer Top - Women's
$89.99
Save 25%
compared to $120.00
5 reviews with an average rating of 5.0 out of 5 stars
Underwear Weight:
Midweight
Size Type:
Regular, Plus
Sale Ends Dec 2
Top Rated
SmartwoolClassic All-Season Merino Base Layer Bottoms - Women's
$67.49
Save 25%
compared to $90.00
8 reviews with an average rating of 4.6 out of 5 stars
Underwear Weight:
Lightweight
Size Type:
Regular, Plus
Sale Ends Dec 3
Helly HansenLifa Merino Midweight Crew Base Layer Top - Men's
$74.99
Save 25%
compared to $100.00
0 reviews
Underwear Weight:
Midweight
Size Type:
Regular, Big
Icebreaker200 Sonebula Leggings - Men's
$89.73
Save 25%
compared to $120.00
1 reviews with an average rating of 5.0 out of 5 stars
Underwear Weight:
Midweight
Size Type:
Regular
REI OUTLET
Sale Ends Dec 2
SmartwoolClassic Thermal Merino Quarter-Zip Base Layer Top - Men's
$89.99
Save 25%
compared to $120.00
3 reviews with an average rating of 4.7 out of 5 stars
Underwear Weight:
Midweight
Size Type:
Regular, Big
Sale Ends Dec 2
SmartwoolClassic All-Season Merino Long-Sleeve Base Layer Top - Men's
$67.49
Save 25%
compared to $90.00
36 reviews with an average rating of 4.4 out of 5 stars
Underwear Weight:
Lightweight
Size Type:
Regular, Big
Sale Ends Dec 2
Top Rated
Classic Thermal Merino Crew Base Layer Top - Men's
$86.19
Save 25%
compared to $115.00
1449 reviews with an average rating of 4.7 out of 5 stars
Underwear Weight:
Midweight
Size Type:
Regular, Big
Sale Ends Dec 2
SmartwoolClassic All-Season Merino Base Layer Bottoms - Men's
$67.49
Save 25%
compared to $90.00
9 reviews with an average rating of 3.9 out of 5 stars
Underwear Weight:
Lightweight
Size Type:
Regular, Big
REI Co-opHeavyweight Merino Base Layer Half-Zip Top - Men's
$73.39
Save 30%
compared to $104.95
6 reviews with an average rating of 3.8 out of 5 stars
Underwear Weight:
Heavyweight
Size Type:
Regular, Big, Tall
Sale Ends Dec 2
SmartwoolIntraknit Thermal Merino Crew Base Layer Top - Men's
$97.49
Save 25%
compared to $130.00
183 reviews with an average rating of 4.4 out of 5 stars
Underwear Weight:
Midweight
Size Type:
Regular, Big
Sale Ends Dec 2
SmartwoolIntraknit Thermal Merino Base Layer Bottoms - Women's
$97.49
Save 25%
compared to $130.00
13 reviews with an average rating of 4.2 out of 5 stars
Underwear Weight:
Lightweight
Size Type:
Regular
REI Co-opMerino Midweight Base Layer Bottoms - Kids'
$34.89
Save 30%
compared to $49.95
13 reviews with an average rating of 4.5 out of 5 stars
Underwear Weight:
Midweight
Size Type:
Regular
Sale Ends Dec 2
SmartwoolIntraknit Thermal Merino Base Layer Bottoms - Men's
$97.49
Save 25%
compared to $130.00
14 reviews with an average rating of 4.2 out of 5 stars
Underwear Weight:
Lightweight
Size Type:
Regular, Big
Sale Ends Dec 2
SmartwoolIntraknit Thermal Merino Base Layer Quarter-Zip Top - Men's
$104.99
Save 25%
compared to $140.00
2 reviews with an average rating of 4.5 out of 5 stars
Underwear Weight:
Midweight
Size Type:
Regular, Big
Sale Ends Dec 2
SmartwoolIntraknit Thermal Merino Pattern Crew Base Layer Top - Women's
$97.49
Save 25%
compared to $130.00
81 reviews with an average rating of 4.5 out of 5 stars
Underwear Weight:
Midweight
Size Type:
Regular
Sale Ends Dec 2
SmartwoolIntraknit Thermal Merino Colorblock Quarter-Zip Base Layer Top - Women's
$104.99
Save 25%
compared to $140.00
0 reviews
Size Type:
Regular
IcebreakerMerino 200 Oasis Long-Sleeve Crewe Cloud Dye Base Layer Top - Women's
$86.19
Save 25%
compared to $115.00
2 reviews with an average rating of 5.0 out of 5 stars
Underwear Weight:
Midweight
Size Type:
Regular
Sale Ends Dec 2
SmartwoolClassic All-Season Merino 3/4 Base Layer Bottoms - Men's
$56.19
Save 25%
compared to $75.00
2 reviews with an average rating of 5.0 out of 5 stars
Underwear Weight:
Lightweight
Size Type:
Regular, Big
Sale Ends Dec 2
SmartwoolIntraknit Active Base Layer Bottoms - Women's
$82.49
Save 25%
compared to $110.00
1 reviews with an average rating of 4.0 out of 5 stars
Underwear Weight:
Lightweight
Size Type:
Regular
Sale Ends Dec 3
Helly HansenLIFA Merino Midweight Base Layer Set - Kids'
$74.99
Save 25%
compared to $100.00
0 reviews
Underwear Weight:
Midweight
Size Type:
Regular
Sale Ends Dec 2
SmartwoolClassic Thermal Merino Base Layer Bottoms - Women's Plus Sizes
$86.19
Save 25%
compared to $115.00
19 reviews with an average rating of 4.4 out of 5 stars
Underwear Weight:
Midweight
Size Type:
Plus
IcebreakerMerino 260 Tech Long-Sleeve Half-Zip Base Layer Top - Men's
$101.19
Save 25%
compared to $135.00
2 reviews with an average rating of 4.0 out of 5 stars
Underwear Weight:
Midweight
Size Type:
Regular, Big
Sale Ends Dec 2
SmartwoolClassic Thermal Merino Half-Zip Base Layer Hoodie - Women's
$108.69
Save 25%
compared to $145.00
0 reviews
Size Type:
Regular
Sale Ends Dec 2
Top Rated
SmartwoolClassic Thermal Merino 3/4 Base Layer Bottoms - Men's
$78.69
Save 25%
compared to $105.00
77 reviews with an average rating of 4.6 out of 5 stars
Underwear Weight:
Midweight
Size Type:
Regular, Big
Sale Ends Dec 2
SmartwoolClassic Thermal Merino Colorblock Crew Base Layer Top - Men's
$89.99
Save 25%
compared to $120.00
0 reviews
Size Type:
Regular, Big
Sale Ends Dec 3
Helly HansenLIFA Merino Midweight 3/4 Base Layer Pants - Men's
$59.99
Save 25%
compared to $80.00
0 reviews
Underwear Weight:
Midweight
Size Type:
Regular, Big
Sale Ends Dec 4
Ortovox230 Competition Long Base Layer Pants - Men's
$79.99
Save 20%
compared to $100.00
0 reviews
Underwear Weight:
Midweight
Size Type:
Regular, Big

1–30 of 295 products

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