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Long Sleeve Base Layers

(204 products)

Products (204)

Sort: Best Match

REI Co-opMidweight Long-Sleeve Base Layer Top - Women's
$37.93 - $54.95
234 reviews with an average rating of 4.3 out of 5 stars
Underwear Weight:
Midweight
Size Type:
Regular, Plus
Top Rated
REI Co-opMidweight Long-Sleeve Base Layer Top - Men's
$37.93 - $54.95
146 reviews with an average rating of 4.5 out of 5 stars
Underwear Weight:
Midweight
Size Type:
Regular, Big, Tall
Top Rated
REI Co-opMidweight Base Layer Half-Zip Top - Men's
$41.93 - $59.95
128 reviews with an average rating of 4.6 out of 5 stars
Underwear Weight:
Midweight
Size Type:
Regular, Big, Tall
REI Co-opMerino 185 Long-Sleeve Base Layer Top - Women's
$55.93 - $79.95
191 reviews with an average rating of 4.5 out of 5 stars
Underwear Weight:
Lightweight
Size Type:
Regular
REI Co-opMidweight Base Layer Crew Top - Kids'
$34.95
4 reviews with an average rating of 5.0 out of 5 stars
Underwear Weight:
Midweight
Size Type:
Regular
Top Rated
SmartwoolClassic Thermal Merino Crew Base Layer Top - Men's
$79.93 - $115.00
1502 reviews with an average rating of 4.7 out of 5 stars
Underwear Weight:
Midweight
Size Type:
Regular, Big
Top Rated
SmartwoolClassic Thermal Merino Quarter-Zip Base Layer Top - Women's
$83.93 - $120.00
24 reviews with an average rating of 4.9 out of 5 stars
Underwear Weight:
Midweight
Size Type:
Regular, Plus
Top Rated
SmartwoolClassic Thermal Merino Crew Base Layer Top - Women's
$79.93 - $115.00
1146 reviews with an average rating of 4.7 out of 5 stars
Underwear Weight:
Midweight
Size Type:
Regular, Plus
Top Rated
REI Co-opMerino 185 Long-Sleeve Base Layer Top - Men's
$79.95
163 reviews with an average rating of 4.5 out of 5 stars
Underwear Weight:
Lightweight
Size Type:
Regular, Big
Top Rated
PatagoniaCapilene Midweight Crew Base Layer Top - Men's
$89.00
74 reviews with an average rating of 4.5 out of 5 stars
Underwear Weight:
Midweight
Size Type:
Regular, Big
REI Co-opLightweight Long-Sleeve Crew Base Layer Top - Men's
$39.95
0 reviews
Underwear Weight:
Lightweight
Size Type:
Regular, Big, Tall
REI Co-opMidweight Base Layer Half-Zip Top - Women's
$41.93 - $59.95
133 reviews with an average rating of 4.4 out of 5 stars
Underwear Weight:
Midweight
Size Type:
Regular, Plus
Top Rated
IcebreakerMerino 200 Oasis Long-Sleeve Crewe Thermal Top - Women's
$72.93 - $105.00
108 reviews with an average rating of 4.8 out of 5 stars
Underwear Weight:
Midweight
Size Type:
Regular, Plus
Top Rated
IcebreakerMerino 200 Oasis Long-Sleeve Crewe Thermal Top - Men's
$105.00
114 reviews with an average rating of 4.6 out of 5 stars
Underwear Weight:
Midweight
Size Type:
Regular, Big
PatagoniaCapilene Midweight Zip-Neck Base Layer Top - Women's
$68.93 - $99.00
27 reviews with an average rating of 4.3 out of 5 stars
Underwear Weight:
Midweight
Size Type:
Regular
tasc PerformanceElevation Merino T-Shirt - Men's
$54.73
Save 30%
compared to $79.00
35 reviews with an average rating of 4.3 out of 5 stars
Underwear Weight:
Lightweight
Size Type:
Regular, Big
REI OUTLET
REI Co-opHeavyweight Merino Long-Sleeve Base Layer Crew Top - Men's
$69.93 - $99.95
20 reviews with an average rating of 4.3 out of 5 stars
Underwear Weight:
Heavyweight
Size Type:
Regular, Big
Top Rated
tasc PerformanceElevation Merino T-Shirt - Women's
$54.73
Save 30%
compared to $79.00
73 reviews with an average rating of 4.5 out of 5 stars
Underwear Weight:
Lightweight
Size Type:
Regular, Plus
REI OUTLET
SmartwoolClassic All-Season Merino Long-Sleeve Base Layer Top - Women's
$62.93 - $90.00
101 reviews with an average rating of 4.4 out of 5 stars
Underwear Weight:
Lightweight
Size Type:
Regular, Plus
REI Co-opLightweight Long-Sleeve Crew Base Layer Top - Women's
$39.95
0 reviews
Underwear Weight:
Lightweight
Size Type:
Regular, Plus
SmartwoolClassic All-Season Merino Quarter-Zip Base Layer Top - Women's
$95.00
1 reviews with an average rating of 5.0 out of 5 stars
Size Type:
Regular
Top Rated
REI Co-opMerino 185 Long-Sleeve Half-Zip Base Layer Top - Men's
$89.95
99 reviews with an average rating of 4.6 out of 5 stars
Underwear Weight:
Lightweight
Size Type:
Regular, Big
REI Co-opLightweight Half-Zip Base Layer Top - Women's
$44.95
0 reviews
Underwear Weight:
Lightweight
Size Type:
Regular, Plus
Top Rated
SmartwoolClassic All-Season Merino Long-Sleeve Base Layer Top - Men's
$62.93 - $90.00
50 reviews with an average rating of 4.6 out of 5 stars
Underwear Weight:
Lightweight
Size Type:
Regular, Big
Top Rated
IcebreakerMerino 260 Tech Long-Sleeve Crewe Thermal Top - Men's
$125.00
51 reviews with an average rating of 4.7 out of 5 stars
Underwear Weight:
Heavyweight
Size Type:
Regular, Big
Top Rated
SmartwoolIntraknit Thermal Merino Base Layer Quarter-Zip Top - Men's
$97.93 - $140.00
9 reviews with an average rating of 4.9 out of 5 stars
Underwear Weight:
Midweight
Size Type:
Regular, Big
Top Rated
Arc'teryxIonia Merino Wool Base Layer Hoody - Men's
$140.00
49 reviews with an average rating of 4.9 out of 5 stars
Underwear Weight:
Midweight
Size Type:
Regular, Big
Arms of Andes160 Ultralight Alpaca Wool Long-Sleeve Base Layer Shirt - Men's
$85.00
8 reviews with an average rating of 3.8 out of 5 stars
Underwear Weight:
Ultralightweight
Size Type:
Regular, Big
PatagoniaCapilene Thermal Weight Zip-Neck Top - Men's
$109.00
17 reviews with an average rating of 4.2 out of 5 stars
Underwear Weight:
Heavyweight
Size Type:
Regular
Top Rated
REI Co-opMerino 185 Long-Sleeve Base Layer Top - Women's Plus Sizes
$55.93 - $79.95
25 reviews with an average rating of 4.5 out of 5 stars
Underwear Weight:
Lightweight
Size Type:
Plus

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