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REI Co-op Base Layers

(54 products)

Products (54)

Sort: Best Match

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
REI Co-opMerino 185 Base Layer Bottoms - Men's Tall Sizes
$55.89
Save 30%
compared to $79.95
13 reviews with an average rating of 3.9 out of 5 stars
Underwear Weight:
Lightweight
Size Type:
Tall, Big
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
REI Co-opMerino 185 Long-Sleeve Half-Zip Base Layer Top - Men's Tall Sizes
$62.89
Save 30%
compared to $89.95
12 reviews with an average rating of 4.9 out of 5 stars
Underwear Weight:
Lightweight
Size Type:
Tall, Big
Sale Ends Nov 25
REI Co-opMerino 185 Base Layer Bottoms - Women's Plus Sizes
$55.89
Save 30%
compared to $79.95
7 reviews with an average rating of 3.7 out of 5 stars
Underwear Weight:
Lightweight
Size Type:
Plus
Sale Ends Nov 25
REI Co-opMerino 185 Long-Sleeve Half-Zip Base Layer Top - Women's Plus Sizes
$62.89
Save 30%
compared to $89.95
15 reviews with an average rating of 4.5 out of 5 stars
Underwear Weight:
Lightweight
Size Type:
Plus
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-opMerino 185 Base Layer Top - Men's
$48.89
Save 30%
compared to $69.95
47 reviews with an average rating of 4.2 out of 5 stars
Underwear Weight:
Lightweight
Size Type:
Regular, Big
Top Rated
REI Co-opMerino 185 Long-Sleeve Base Layer Top - Women's Plus Sizes
$23.83 - $55.89
Save 30% - 70%
compared to $79.95
25 reviews with an average rating of 4.5 out of 5 stars
Underwear Weight:
Lightweight
Size Type:
Plus
REI Co-opMerino 185 Base Layer Top - Women's Plus Sizes
$34.83 - $48.89
Save 30% - 50%
compared to $69.95
15 reviews with an average rating of 4.1 out of 5 stars
Underwear Weight:
Lightweight
Size Type:
Plus
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
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
Top Rated
REI Co-opMidweight Base Layer Bottoms - Kids'
$9.83
Save 71%
compared to $34.95
15 reviews with an average rating of 4.5 out of 5 stars
Underwear Weight:
Midweight
Size Type:
Regular
REI Co-opLightweight Base Layer Crew Top - Women's Plus Sizes
$19.93
Save 33%
compared to $29.95
9 reviews with an average rating of 4.2 out of 5 stars
Underwear Weight:
Lightweight
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
REI Co-opLightweight Base Layer Tights - Women's
$27.93
Save 30%
compared to $39.95
57 reviews with an average rating of 4.4 out of 5 stars
Underwear Weight:
Lightweight
Size Type:
Regular
REI Co-opLightweight Base Layer Crew Top - Men's
$19.93
Save 33%
compared to $29.95
98 reviews with an average rating of 4.2 out of 5 stars
Underwear Weight:
Lightweight
Size Type:
Regular, Tall, Big
Top Rated
REI Co-opLightweight Base Layer Half-Zip Top - Men's
$29.93
Save 33%
compared to $44.95
109 reviews with an average rating of 4.6 out of 5 stars
Underwear Weight:
Lightweight
Size Type:
Regular, Big
Top Rated
REI Co-opLightweight Base Layer Half-Zip Top - Women's
$29.93
Save 33%
compared to $44.95
79 reviews with an average rating of 4.5 out of 5 stars
Underwear Weight:
Lightweight
Size Type:
Regular
REI Co-opLightweight Base Layer Long-Sleeve Crew Top - Men's Tall Sizes
$27.93
Save 30%
compared to $39.95
12 reviews with an average rating of 4.2 out of 5 stars
Underwear Weight:
Lightweight
Size Type:
Tall
REI Co-opLightweight Base Layer Long-Sleeve Zip-Neck Top - Men's Tall Sizes
$29.93
Save 33%
compared to $44.95
13 reviews with an average rating of 4.5 out of 5 stars
Underwear Weight:
Lightweight
Size Type:
Tall
Top Rated
REI Co-opLightweight Base Layer Long-Sleeve Crew Top - Women's Plus Sizes
$27.93
Save 30%
compared to $39.95
28 reviews with an average rating of 4.5 out of 5 stars
Underwear Weight:
Lightweight
Size Type:
Plus
REI Co-opLightweight Base Layer Tights - Women's Plus Sizes
$27.93
Save 30%
compared to $39.95
11 reviews with an average rating of 4.2 out of 5 stars
Underwear Weight:
Lightweight
Size Type:
Plus
REI Co-opLightweight Base Layer Half-Zip Top - Women's Plus Sizes
$29.93
Save 33%
compared to $44.95
7 reviews with an average rating of 4.3 out of 5 stars
Underwear Weight:
Lightweight
Size Type:
Plus

31–54 of 54 products

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