loaded 170 results

Long Sleeve Underwear

(170 products)

Products (170)

Sort: Best Match

IcebreakerSiren Sweetheart Long Underwear Top - Women's
$85.00
27 reviews with an average rating of 4.4 out of 5 stars
Underwear Weight:
Lightweight
Size Type:
Regular
Terramar2.0 Cloud Nine Half-Zip Base Layer Top - Women's
$34.73
Save 30%
compared to $50.00
4 reviews with an average rating of 4.0 out of 5 stars
Underwear Weight:
Midweight
Size Type:
Regular
REI OUTLET
Kari TraaRose Long-Sleeve Base Layer Top - Women's
$79.73
Save 27%
compared to $110.00
1 reviews with an average rating of 5.0 out of 5 stars
Underwear Weight:
Heavyweight
Size Type:
Regular, Plus
REI OUTLET
SmartwoolIntraknit Thermal Merino Pattern Crew Base Layer Top - Women's
$96.73
Save 25%
compared to $130.00
50 reviews with an average rating of 4.3 out of 5 stars
Underwear Weight:
Midweight
Size Type:
Regular
REI OUTLET
SmartwoolIntraknit Thermal Max Merino Base Layer Pattern Hoodie - Women's
$114.73
Save 30%
compared to $165.00
1 reviews with an average rating of 5.0 out of 5 stars
Size Type:
Regular
REI OUTLET
Top Rated
REI Co-opMerino 185 Long-Sleeve Base Layer Top - Men's Tall Sizes
$79.95
10 reviews with an average rating of 4.8 out of 5 stars
Underwear Weight:
Lightweight
Size Type:
Tall
REI Co-opMerino 185 Long-Sleeve Half-Zip Base Layer Top - Women's Plus Sizes
$89.95
19 reviews with an average rating of 4.4 out of 5 stars
Underwear Weight:
Lightweight
Size Type:
Plus
SmartwoolIntraknit Thermal Merino Base Layer Colorblock Crew - Men's
$96.73
Save 25%
compared to $130.00
15 reviews with an average rating of 4.2 out of 5 stars
Underwear Weight:
Midweight
Size Type:
Regular, Big
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
Terramar2.0 Thermolator Crew Base Layer Top - Kids'
$24.73
Save 29%
compared to $35.00
0 reviews
Underwear Weight:
Lightweight
Size Type:
Regular
REI OUTLET
Top Rated
Free CountryMicrotech Heat Cocarber Base Layer Top - Women's
$39.73
Save 33%
compared to $60.00
7 reviews with an average rating of 4.6 out of 5 stars
Underwear Weight:
Lightweight
Size Type:
Regular, Plus
REI OUTLET
Top Rated
Arc'teryxRho Hoody Base Layer Top - Women's
$120.00 - $140.00
39 reviews with an average rating of 4.7 out of 5 stars
Underwear Weight:
Lightweight
Size Type:
Regular, Plus
IcebreakerMerino 260 Vertex Long-Sleeve Crewe Natural Shades Base Layer Top - Women's
$89.73
Save 35%
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
Kari TraaSmekker Long-Sleeve Base Layer Top - Women's
$89.73
Save 25%
compared to $120.00
4 reviews with an average rating of 3.8 out of 5 stars
Underwear Weight:
Lightweight
Size Type:
Regular
REI OUTLET
HalfdaysJohnson Base Layer Top - Women's
$95.00
129 reviews with an average rating of 4.5 out of 5 stars
Underwear Weight:
Ultralightweight
Size Type:
Regular
SmartwoolClassic Thermal Merino Colorblock Crew Base Layer Top - Women's
$130.00
1 reviews with an average rating of 5.0 out of 5 stars
Underwear Weight:
Midweight
Size Type:
Regular
Top Rated
Arc'teryxRho Zip-Neck Base Layer Top - Women's
$120.00
40 reviews with an average rating of 4.8 out of 5 stars
Underwear Weight:
Lightweight
Size Type:
Regular, Plus
Arms of Andes160 Ultralight Alpaca Wool Long-Sleeve Base Layer Shirt - Women's
$85.00 - $100.00
11 reviews with an average rating of 3.8 out of 5 stars
Underwear Weight:
Ultralightweight
Size Type:
Regular
Helly HansenLIFA Merino Midweight 2-In-1 Graphic Half-Zip Base Layer Top - Women's
$86.73
Save 27%
compared to $120.00
1 reviews with an average rating of 4.0 out of 5 stars
Underwear Weight:
Midweight
Size Type:
Regular
REI OUTLET
Kari TraaKaia Base Layer Set - Women's
$130.00
0 reviews
Underwear Weight:
Lightweight
Size Type:
Regular
Top Rated
Icebreaker200 Oasis Crewe Long-Sleeve Base Layer Top - Kids'
$60.00
9 reviews with an average rating of 5.0 out of 5 stars
Underwear Weight:
Midweight
Size Type:
Regular
Arc'teryxRho Merino Wool Zip-Neck Base Layer Top - Men's
$140.00
12 reviews with an average rating of 4.3 out of 5 stars
Underwear Weight:
Midweight
Size Type:
Regular, Big
Arms of Andes160 Ultralight Alpaca Wool Long-Sleeve Base Layer Shirt - Men's
$90.00
11 reviews with an average rating of 3.7 out of 5 stars
Underwear Weight:
Ultralightweight
Size Type:
Regular, Big
SmartwoolIntraknit Thermal Merino Colorblock Crew Base Layer Top - Men's
$130.00
14 reviews with an average rating of 4.1 out of 5 stars
Underwear Weight:
Lightweight
Size Type:
Regular, Big
IcebreakerMerino 200 Oasis Long-Sleeve Crewe Base Layer Top - Women's
$120.00
1 reviews with an average rating of 4.0 out of 5 stars
Underwear Weight:
Midweight
Size Type:
Regular
ArtilectBoulder 125 Crew Long-Sleeve Base Layer Top - Women's
$65.73
Save 45%
compared to $120.00
1 reviews with an average rating of 1.0 out of 5 stars
Underwear Weight:
Lightweight
Size Type:
Regular
REI OUTLET
Icebreaker200 ZoneKnit Long-Sleeve Crewe Base Layer Top - Men's
$150.00
2 reviews with an average rating of 5.0 out of 5 stars
Underwear Weight:
Midweight
Size Type:
Regular, Big
SmartwoolClassic Thermal Merino Base Layer Quarter-Zip Top - Kids'
$70.00
0 reviews
Underwear Weight:
Midweight
Size Type:
Regular
Helly HansenLIFA Merino Midweight Half-Zip Base Layer Top - Women's
$57.73
Save 47%
compared to $110.00
1 reviews with an average rating of 3.0 out of 5 stars
Underwear Weight:
Midweight
Size Type:
Regular
REI OUTLET
IcebreakerMerino 200 ZoneKnit Long-Sleeve Half-Zip Base Layer Top - Men's
$160.00
0 reviews
Underwear Weight:
Midweight
Size Type:
Regular, Big

91–120 of 170 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

Related searches