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Long Sleeve Underwear

(254 products)

Products (254)

Sort: Best Match

Top Rated
Arc'teryxRho Zip-Neck Base Layer Top - Women's
$120.00
38 reviews with an average rating of 4.8 out of 5 stars
Underwear Weight:
Lightweight
Size Type:
Regular, Plus
Kari TraaEdith Long-Sleeve Base Layer Top - Women's
$74.73
Save 25%
compared to $100.00
0 reviews
Underwear Weight:
Midweight
Size Type:
Regular
REI OUTLET
Top Rated
IcebreakerMerino 260 Tech Long-Sleeve Half-Zip Thermal Base Layer Top - Women's
$99.73
Save 26%
compared to $135.00
32 reviews with an average rating of 4.7 out of 5 stars
Underwear Weight:
Heavyweight
Size Type:
Regular, Plus
REI OUTLET
PatagoniaCapilene Thermal Weight Long Underwear Crew Top - Women's
$99.00
9 reviews with an average rating of 3.2 out of 5 stars
Underwear Weight:
Heavyweight
Size Type:
Regular
Top Rated
ColumbiaOmni-Heat Midweight Crew Base Layer Top - Kids'
$30.00
73 reviews with an average rating of 4.8 out of 5 stars
Underwear Weight:
Midweight
Size Type:
Regular
Top Rated
ColumbiaMidweight Stretch Long-Sleeve Base Layer Top - Women's
$55.00
213 reviews with an average rating of 4.7 out of 5 stars
Underwear Weight:
Midweight
Size Type:
Regular, Plus
Kari TraaSmekker Half-Zip Base Layer Top - Women's
$140.00
19 reviews with an average rating of 4.3 out of 5 stars
Underwear Weight:
Lightweight
Size Type:
Regular
Top Rated
Arc'teryxRho Hoody Base Layer Top - Women's
$120.00 - $140.00
37 reviews with an average rating of 4.6 out of 5 stars
Underwear Weight:
Lightweight
Size Type:
Regular, Plus
Free CountryMicrotech Heat Cocarber Base Layer Top - Women's
$39.73
Save 33%
compared to $60.00
2 reviews with an average rating of 5.0 out of 5 stars
Underwear Weight:
Lightweight
Size Type:
Regular, Plus
REI OUTLET
Kari TraaLucie Half-Zip Base Layer Top - Women's
$67.73
Save 24%
compared to $90.00
0 reviews
Underwear Weight:
Lightweight
Size Type:
Regular
REI OUTLET
Kari TraaFryd Half-Zip Base Layer Top - Women's
$49.73
Save 24%
compared to $66.00
0 reviews
Underwear Weight:
Lightweight
Size Type:
Regular, Plus
REI OUTLET
SmartwoolClassic Thermal Merino Half-Zip Base Layer Hoodie - Women's
$145.00
0 reviews
Size Type:
Regular
Hootie HooTorrent Layering Fleece Base Layer Set - Toddler's
$75.00
2 reviews with an average rating of 5.0 out of 5 stars
Underwear Weight:
Midweight
Size Type:
Regular
Top Rated
IcebreakerMerino 200 Oasis Long-Sleeve Crewe Snow Day Base Layer Top - Women's
$120.00
9 reviews with an average rating of 5.0 out of 5 stars
Underwear Weight:
Midweight
Size Type:
Regular
Top Rated
The North FaceSummit Series Pro 120 Crew Base Layer Top - Women's
$90.00
14 reviews with an average rating of 5.0 out of 5 stars
Underwear Weight:
Ultralightweight
Size Type:
Regular, Plus
SmartwoolIntraknit Thermal Merino Base Layer Hoodie - Women's
$180.00
0 reviews
Underwear Weight:
Midweight
Size Type:
Regular
SmartwoolClassic Thermal Merino Base Layer Quarter-Zip Top - Kids'
$70.00
0 reviews
Underwear Weight:
Midweight
Size Type:
Regular
SmartwoolClassic Thermal Merino Base Layer Crew One-Piece - Women's
$250.00
0 reviews
Underwear Weight:
Midweight
Size Type:
Regular
SmartwoolClassic Thermal Merino Mock Neck Base Layer Top - Women's
$140.00
0 reviews
Underwear Weight:
Midweight
Size Type:
Regular
PatagoniaCapilene Thermal Weight Zip-Neck Long Underwear Top - Women's
$109.00
14 reviews with an average rating of 4.1 out of 5 stars
Underwear Weight:
Heavyweight
Size Type:
Regular
BurtonFleece Base Layer Set - Kids'
$69.95
2 reviews with an average rating of 5.0 out of 5 stars
Underwear Weight:
Midweight
Size Type:
Regular
Kari TraaEdith Half-Zip Base Layer Top - Women's
$82.73
Save 24%
compared to $110.00
1 reviews with an average rating of 1.0 out of 5 stars
Underwear Weight:
Midweight
Size Type:
Regular
REI OUTLET
PatagoniaCapilene Midweight Zip-Neck Base Layer Top - Women's
$99.00
27 reviews with an average rating of 4.3 out of 5 stars
Underwear Weight:
Midweight
Size Type:
Regular
Kari TraaSmekker Half-Zip Base Layer Top - Women's
$89.73
Save 30%
compared to $130.00
19 reviews with an average rating of 4.3 out of 5 stars
Underwear Weight:
Lightweight
Size Type:
Regular
REI OUTLET
IcebreakerMerino 260 Vertex Long-Sleeve Crewe Natural Shades Base Layer Top - Women's
$104.73
Save 25%
compared to $140.00
2 reviews with an average rating of 5.0 out of 5 stars
Underwear Weight:
Heavyweight
Size Type:
Regular
REI OUTLET
Terramar2.0 Cloud Nine Midweight Performance Thermal Turtleneck - Women's
$26.73
Save 44%
compared to $48.00
0 reviews
Underwear Weight:
Midweight
Size Type:
Regular
REI OUTLET
New arrival
Kari TraaSara Half-Zip Base Layer Top - Women's
$79.73
Save 27%
compared to $110.00
2 reviews with an average rating of 5.0 out of 5 stars
Underwear Weight:
Heavyweight
Size Type:
Regular
REI OUTLET
Hot ChillysOriginals Solid Base Layer Crew - Kids'
$34.73
Save 26%
compared to $47.50
0 reviews
Underwear Weight:
Midweight
Size Type:
Regular
REI OUTLET
Terramar3.0 Thermawool Half-Zip Base Layer Top - Women's
$56.73
Save 24%
compared to $75.00
0 reviews
Underwear Weight:
Midweight
Size Type:
Regular
REI OUTLET
Kari TraaRose Light Half-Zip Base Layer Top - Women'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

151–180 of 254 products

Sort: Best Match

Related Expert Advice articles

What material is best?

Wool is moisture-wicking and odor-resistant, while synthetic fabrics are more durable and less expensive.

Match the temp to the trek

Lightweight layers are best for moderate to cool temperatures. Midweight layers are best for cold temperatures. Heavyweight layers are best for below-freezing temperatures.

Find your fit

To be able to wick sweat efficiently, your next-to-skin layer needs to actually be next to your skin. A comfortably snug fit everywhere is your goal.

Read full article: How to Choose Base Layers

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