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Long Sleeve Underwear

(253 products)

Products (253)

Sort: Best Match

Top Rated
REI Co-opLightweight Base Layer Long-Sleeve Crew Top - Men's
$27.93
Save 30%
compared to $39.95
183 reviews with an average rating of 4.5 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
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
REI Co-opMidweight Base Layer Crew Top - Kids'
$24.39
Save 30%
compared to $34.95
1 reviews with an average rating of 5.0 out of 5 stars
Underwear Weight:
Midweight
Size Type:
Regular
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
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 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 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
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
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 Base Layer Hoodie - Men's
$89.99
Save 25%
compared to $120.00
0 reviews
Underwear Weight:
Midweight
Size Type:
Regular, Big
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
Sale Ends Dec 2
SmartwoolIntraknit Active Long-Sleeve Base Layer Top - Women's
$82.49
Save 25%
compared to $110.00
0 reviews
Underwear Weight:
Midweight
Size Type:
Regular
Sale Ends Dec 3
Helly HansenLifa Merino Midweight Half-Zip Base Layer Top - Men's
$82.49
Save 25%
compared to $110.00
3 reviews with an average rating of 4.7 out of 5 stars
Underwear Weight:
Midweight
Size Type:
Regular, Big
Sale Ends Dec 4
Ortovox230 Competition Long-Sleeve Base Layer Top - Men's
$87.99
Save 20%
compared to $110.00
1 reviews with an average rating of 5.0 out of 5 stars
Underwear Weight:
Midweight
Size Type:
Regular, Big
Icebreakerx Protect Our Winters 200 Oasis Long-Sleeve Crew Base Layer Top - Men's
$86.19
Save 25%
compared to $115.00
0 reviews
Underwear Weight:
Midweight
Size Type:
Regular, Big
Sale Ends Dec 2
SmartwoolClassic All-Season Merino Quarter-Zip Base Layer Top - Women's
$71.19
Save 25%
compared to $95.00
0 reviews
Size Type:
Regular
Helly HansenLifa Merino Midweight Base Layer Half-Zip Top - Women's
$82.49
Save 25%
compared to $110.00
0 reviews
Underwear Weight:
Midweight
Size Type:
Regular
Sale Ends Dec 4
Ortovox120 Comp Light Base Layer Hoodie - Men's
$95.99
Save 20%
compared to $120.00
1 reviews with an average rating of 5.0 out of 5 stars
Underwear Weight:
Lightweight
Size Type:
Regular, Big
SmartwoolClassic All-Season Merino Long-Sleeve Base Layer Top - Women's
$53.83 - $67.49
Save 25% - 40%
compared to $90.00
89 reviews with an average rating of 4.4 out of 5 stars
Underwear Weight:
Lightweight
Size Type:
Regular, Plus
Sale Ends Dec 2
SmartwoolIntraknit Active Base Layer Top - Men'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, Big
REI Co-opMidweight Base Layer Zip-Neck Top - Kids'
$27.89
Save 30%
compared to $39.95
0 reviews
Underwear Weight:
Midweight
Size Type:
Regular
Sale Ends Dec 2
SmartwoolThermal Merino Base Layer Hoodie - Men's
$108.69
Save 25%
compared to $145.00
1 reviews with an average rating of 5.0 out of 5 stars
Underwear Weight:
Midweight
Size Type:
Regular, Big

1–30 of 253 products

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