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REI Co-op Underwear

(67 products)

Products (67)

Sort: Best Match

REI Co-opMidweight Long-Sleeve Base Layer Top - Men's
$26.83 - $54.95
128 reviews with an average rating of 4.5 out of 5 stars
Underwear Weight:
Midweight
Size Type:
Regular, Big, Tall
Top Rated
REI Co-opMerino 185 Long-Sleeve Half-Zip Base Layer Top - Men's
$89.95
94 reviews with an average rating of 4.6 out of 5 stars
Underwear Weight:
Lightweight
Size Type:
Regular, Big
Top Rated
REI Co-opMerino 185 Long-Sleeve Base Layer Top - Men's
$79.95
151 reviews with an average rating of 4.5 out of 5 stars
Underwear Weight:
Lightweight
Size Type:
Regular, Big
Top Rated
REI Co-opMidweight Base Layer Half-Zip Top - Men's
$29.83 - $59.95
116 reviews with an average rating of 4.6 out of 5 stars
Underwear Weight:
Midweight
Size Type:
Regular, Big, Tall
REI Co-opHeavyweight Merino Long-Sleeve Base Layer Crew Top - Men's
$99.95
12 reviews with an average rating of 4.4 out of 5 stars
Underwear Weight:
Heavyweight
Size Type:
Regular, Big, Tall
Sale Ends Dec 23
REI Co-opMerino Boxers - Men's
$27.89
Save 30%
compared to $39.95
58 reviews with an average rating of 4.4 out of 5 stars
Size Type:
Regular
Sale Ends Dec 23
REI Co-opActive Thong Underwear - Women's
$10.39
Save 30%
compared to $14.95
11 reviews with an average rating of 4.3 out of 5 stars
Size Type:
Regular, Plus
REI Co-opMidweight Base Layer Bottoms - Men's
$54.95
68 reviews with an average rating of 4.4 out of 5 stars
Underwear Weight:
Midweight
Size Type:
Regular, Big, Tall
Sale Ends Dec 23
REI Co-opActive Hipster Underwear - Women's
$13.19
Save 30%
compared to $18.95
35 reviews with an average rating of 3.8 out of 5 stars
Size Type:
Plus
REI Co-opLightweight Base Layer Long-Sleeve Crew Top - Women's
$27.93
Save 30%
compared to $39.95
175 reviews with an average rating of 4.1 out of 5 stars
Underwear Weight:
Lightweight
Size Type:
Regular
Sale Ends Dec 23
REI Co-opActive Bikini Underwear - Women's
$13.89
Save 30%
compared to $19.95
49 reviews with an average rating of 3.3 out of 5 stars
Size Type:
Plus
Sale Ends Dec 23
REI Co-opMerino Hipster Underwear - Women's
$20.89
Save 30%
compared to $29.95
44 reviews with an average rating of 3.9 out of 5 stars
Size Type:
Regular
REI Co-opActive Pursuits Sports Bra
$14.83
Save 70%
compared to $49.95
60 reviews with an average rating of 3.9 out of 5 stars
Bra Support:
Medium Impact
Support Style:
Compression / Encapsulation
Fabric:
86% recycled polyester/14% spandex (bluesign approved)
REI Co-opMidweight Long-Sleeve Base Layer Top - Women's
$26.83 - $54.95
213 reviews with an average rating of 4.2 out of 5 stars
Underwear Weight:
Midweight
Size Type:
Regular, Plus
REI Co-opMerino 185 Long-Sleeve Base Layer Top - Women's
$39.83 - $79.95
176 reviews with an average rating of 4.5 out of 5 stars
Underwear Weight:
Lightweight
Size Type:
Regular
REI Co-opMidweight Base Layer Tights - Women's
$54.95
79 reviews with an average rating of 4.0 out of 5 stars
Underwear Weight:
Midweight
Size Type:
Regular, Plus, Petite
REI Co-opMidweight Base Layer Half-Zip Top - Women's
$59.95
119 reviews with an average rating of 4.4 out of 5 stars
Underwear Weight:
Midweight
Size Type:
Regular, Plus
REI Co-opMerino 185 Base Layer Bottoms - Women's
$79.95
97 reviews with an average rating of 4.2 out of 5 stars
Underwear Weight:
Lightweight
Size Type:
Regular
REI Co-opMidweight Base Layer Crew Top - Kids'
$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-opHeavyweight Merino Base Layer Bottoms - Women's
$99.95
13 reviews with an average rating of 4.5 out of 5 stars
Underwear Weight:
Heavyweight
Size Type:
Regular, Plus
REI Co-opMidweight Base Layer Bottoms - Kids'
$34.95
0 reviews
Underwear Weight:
Midweight
Size Type:
Regular
REI Co-opMerino Midweight Base Layer Bottoms - Kids'
$49.95
13 reviews with an average rating of 4.5 out of 5 stars
Underwear Weight:
Midweight
Size Type:
Regular
Top Rated
REI Co-opHeavyweight Merino Long-Sleeve Base Layer Crew Top - Women's
$99.95
11 reviews with an average rating of 4.8 out of 5 stars
Underwear Weight:
Heavyweight
Size Type:
Regular, Plus
Top Rated
REI Co-opHeavyweight Merino Base Layer Half-Zip Top - Women's
$104.95
12 reviews with an average rating of 4.8 out of 5 stars
Underwear Weight:
Heavyweight
Size Type:
Regular, Plus
REI Co-opMerino 185 Base Layer Bottoms - Men's
$79.95
103 reviews with an average rating of 4.4 out of 5 stars
Underwear Weight:
Lightweight
Size Type:
Regular, Big
Top Rated
REI Co-opMerino Midweight Base Layer Crew Top - Kids'
$49.95
21 reviews with an average rating of 4.6 out of 5 stars
Underwear Weight:
Midweight
Size Type:
Regular
Top Rated
REI Co-opLightweight Base Layer Crew Top - Kids'
$29.95
10 reviews with an average rating of 4.8 out of 5 stars
Underwear Weight:
Lightweight
Size Type:
Regular
Top Rated
REI Co-opLightweight Base Layer Bottoms - Kids'
$29.95
9 reviews with an average rating of 4.7 out of 5 stars
Underwear Weight:
Lightweight
Size Type:
Regular
Top Rated
REI Co-opMerino 185 Long-Sleeve Half-Zip Base Layer Top - Women's
$89.95
90 reviews with an average rating of 4.6 out of 5 stars
Underwear Weight:
Lightweight
Size Type:
Regular
Top Rated
REI Co-opMidweight Crew Base Layer Top - Toddlers'
$24.95
14 reviews with an average rating of 4.7 out of 5 stars
Underwear Weight:
Midweight
Size Type:
Regular

1–30 of 67 products

Sort: Best Match

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