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Polyester Base Layers

(128 products)

Products (128)

Sort: Best Match

REI Co-opMidweight Long-Sleeve Base Layer Top - Women's
$26.83 - $38.39
Save 30% - 51%
compared to $54.95
204 reviews with an average rating of 4.2 out of 5 stars
Underwear Weight:
Midweight
Size Type:
Regular, Plus
Sale Ends Nov 25
Top Rated
REI Co-opMidweight Long-Sleeve Base Layer Top - Men's
$38.39
Save 30%
compared to $54.95
121 reviews with an average rating of 4.5 out of 5 stars
Underwear Weight:
Midweight
Size Type:
Regular, Big, Tall
Sale Ends Nov 25
REI Co-opMidweight Base Layer Tights - Women's
$38.39
Save 30%
compared to $54.95
75 reviews with an average rating of 4.0 out of 5 stars
Underwear Weight:
Midweight
Size Type:
Regular, Plus, Petite
Sale Ends Nov 25
Top Rated
REI Co-opMidweight Base Layer Half-Zip Top - Men's
$41.89
Save 30%
compared to $59.95
113 reviews with an average rating of 4.7 out of 5 stars
Underwear Weight:
Midweight
Size Type:
Regular, Big, Tall
REI Co-opLightweight Base Layer Bottoms - Men's
$27.93
Save 30%
compared to $39.95
77 reviews with an average rating of 4.3 out of 5 stars
Underwear Weight:
Lightweight
Size Type:
Regular, Big
Sale Ends Nov 25
REI Co-opMidweight Base Layer Half-Zip Top - Women's
$41.89
Save 30%
compared to $59.95
112 reviews with an average rating of 4.4 out of 5 stars
Underwear Weight:
Midweight
Size Type:
Regular, Plus
Sale Ends Nov 25
REI Co-opMidweight Base Layer Bottoms - Men's
$38.39
Save 30%
compared to $54.95
67 reviews with an average rating of 4.4 out of 5 stars
Underwear Weight:
Midweight
Size Type:
Regular, Big, Tall
Sale Ends Nov 25
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
Top Rated
REI Co-opLightweight Base Layer Long-Sleeve Crew Top - Men's
$27.93
Save 30%
compared to $39.95
185 reviews with an average rating of 4.5 out of 5 stars
Underwear Weight:
Lightweight
Size Type:
Regular, Big
Sale Ends Nov 25
REI Co-opMidweight Base Layer Bottoms - Kids'
$24.39
Save 30%
compared to $34.95
0 reviews
Underwear Weight:
Midweight
Size Type:
Regular
PatagoniaCapilene Midweight Crew Base Layer Top - Men's
$89.00
67 reviews with an average rating of 4.5 out of 5 stars
Underwear Weight:
Midweight
Size Type:
Regular, Big
Top Rated
Arc'teryxRho LT Base Layer Hoodie - Men's
$120.00
35 reviews with an average rating of 4.9 out of 5 stars
Underwear Weight:
Lightweight
Size Type:
Regular, Big
Sale Ends Nov 25
Top Rated
REI Co-opMidweight Base Layer Bottoms - Toddlers'
$17.39
Save 30%
compared to $24.95
7 reviews with an average rating of 4.9 out of 5 stars
Underwear Weight:
Midweight
Size Type:
Regular
Sale Ends Nov 25
Top Rated
REI Co-opMidweight Crew Base Layer Top - Toddlers'
$17.39
Save 30%
compared to $24.95
14 reviews with an average rating of 4.7 out of 5 stars
Underwear Weight:
Midweight
Size Type:
Regular
Sale Ends Nov 25
Top Rated
REI Co-opLightweight Base Layer Bottoms - Kids'
$20.89
Save 30%
compared to $29.95
9 reviews with an average rating of 4.7 out of 5 stars
Underwear Weight:
Lightweight
Size Type:
Regular
Sale Ends Nov 25
Top Rated
REI Co-opLightweight Base Layer Crew Top - Kids'
$20.89
Save 30%
compared to $29.95
10 reviews with an average rating of 4.8 out of 5 stars
Underwear Weight:
Lightweight
Size Type:
Regular
Sale Ends Nov 25
Top Rated
REI Co-opLightweight Base Layer Bottoms - Infants'/Toddlers'
$13.89
Save 30%
compared to $19.95
6 reviews with an average rating of 5.0 out of 5 stars
Underwear Weight:
Lightweight
Size Type:
Regular
Sale Ends Nov 25
Top Rated
REI Co-opLightweight Crew Base Layer Top - Infants'/Toddlers'
$13.89
Save 30%
compared to $19.95
8 reviews with an average rating of 5.0 out of 5 stars
Underwear Weight:
Lightweight
Size Type:
Regular
Sale Ends Nov 25
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 Nov 25
Top Rated
Nani SwimwearUinta Base Layer Top - Women's
$63.69
Save 20%
compared to $80.00
7 reviews with an average rating of 5.0 out of 5 stars
Underwear Weight:
Midweight
Size Type:
Regular, Plus
Sale Ends Nov 25
Nani SwimwearUinta Base Layer Bottoms - Women's
$59.99
Save 20%
compared to $75.00
4 reviews with an average rating of 5.0 out of 5 stars
Underwear Weight:
Midweight
Size Type:
Regular, Plus
Sale Ends Nov 25
Kari TraaSval Long-Sleeve Base Layer Top - Women's
$59.99
Save 25%
compared to $80.00
2 reviews with an average rating of 5.0 out of 5 stars
Underwear Weight:
Lightweight
Size Type:
Regular
Sale Ends Dec 3
Top Rated
ColumbiaMidweight Tights 2 - Kids'
$22.49
Save 25%
compared to $30.00
42 reviews with an average rating of 4.7 out of 5 stars
Underwear Weight:
Midweight
Size Type:
Regular
Sale Ends Nov 25
Kari TraaFryd Base Layer Top - Women's
$44.99
Save 25%
compared to $60.00
19 reviews with an average rating of 4.2 out of 5 stars
Underwear Weight:
Midweight
Size Type:
Regular
Sale Ends Dec 3
Top Rated
ColumbiaOmni-Heat Midweight Crew Base Layer Top - Kids'
$22.49
Save 25%
compared to $30.00
53 reviews with an average rating of 4.8 out of 5 stars
Underwear Weight:
Midweight
Size Type:
Regular
Kari TraaFryd Base Layer Pants - Women's
$26.83 - $44.99
Save 25% - 51%
compared to $55.00 - $60.00
12 reviews with an average rating of 3.3 out of 5 stars
Underwear Weight:
Midweight
Size Type:
Regular
Top Rated
PatagoniaCapilene Midweight Base Layer Bottoms - Men's
$89.00
51 reviews with an average rating of 4.6 out of 5 stars
Underwear Weight:
Midweight
Size Type:
Regular, Big
Top Rated
Arc'teryxRho Heavyweight Base Layer Bottoms - Men's
$120.00
44 reviews with an average rating of 4.7 out of 5 stars
Underwear Weight:
Heavyweight
Size Type:
Regular, Big
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
Top Rated
Arc'teryxRho LT Base Layer Bottoms - Men's
$100.00
31 reviews with an average rating of 4.6 out of 5 stars
Underwear Weight:
Lightweight
Size Type:
Regular, Big

1–30 of 128 products

Sort: Best Match

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