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REI Co-op Underwear: Deals

(14 products)
Products (14)
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    REI Co-opHeavyweight Merino Base Layer Bottoms - Women's
    $29.83 - $99.95
    34 reviews with an average rating of 4.4 out of 5 stars
    Underwear Weight:
    Heavyweight
    Size Type:
    Regular, Plus
    REI Co-opActive Pursuits Crop Tank Top - Women's
    $21.83 - $32.93
    Save 26% - 51%
    compared to  $44.95
    13 reviews with an average rating of 3.9 out of 5 stars
    Bra Support:
    Low Impact
    Support Style:
    Compression
    Fabric:
    86% recycled polyester/14% spandex (bluesign approved)
    Top Rated
    REI Co-opMidweight Base Layer Crew Top - Kids'
    $25.93
    Save 25%
    compared to  $34.95
    8 reviews with an average rating of 4.9 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular
    Top Rated
    REI Co-opMidweight Base Layer Bottoms - Kids'
    $25.93
    Save 25%
    compared to  $34.95
    14 reviews with an average rating of 4.7 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular
    Top Rated
    REI Co-opHeavyweight Merino Base Layer Half-Zip Top - Women's
    $29.83 - $104.95
    36 reviews with an average rating of 4.8 out of 5 stars
    Underwear Weight:
    Heavyweight
    Size Type:
    Regular, Plus
    Top Rated
    REI Co-opMidweight Long-Sleeve Base Layer Top - Men's
    $19.83 - $54.95
    214 reviews with an average rating of 4.6 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular, Big, Tall
    Top Rated
    REI Co-opMidweight Base Layer Crew Top - Toddlers'
    $17.93
    Save 28%
    compared to  $24.95
    16 reviews with an average rating of 4.8 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular
    Top Rated
    REI Co-opMidweight Base Layer Bottoms - Toddlers'
    $17.93
    Save 28%
    compared to  $24.95
    9 reviews with an average rating of 4.8 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular
    Top Rated
    REI Co-opMerino Midweight Base Layer Bottoms - Kids'
    $24.83
    Save 50%
    compared to  $49.95
    16 reviews with an average rating of 4.6 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular
    Top Rated
    REI Co-opMerino Midweight Base Layer Crew Top - Kids'
    $24.83
    Save 50%
    compared to  $49.95
    32 reviews with an average rating of 4.8 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular
    REI Co-opMerino 185 Base Layer Top - Women's Plus Sizes
    $19.83
    Save 71%
    compared to  $69.95
    32 reviews with an average rating of 4.3 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Plus
    REI Co-opMerino 185 Base Layer Bottoms - Women's Plus Sizes
    $19.83
    Save 75%
    compared to  $79.95
    11 reviews with an average rating of 3.9 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Plus
    REI Co-opMerino 185 Long-Sleeve Base Layer Top - Women's Plus Sizes
    $19.83
    Save 75%
    compared to  $79.95
    37 reviews with an average rating of 4.5 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Plus
    REI Co-opMerino 185 Long-Sleeve Half-Zip Base Layer Top - Women's Plus Sizes
    $19.83
    Save 77%
    compared to  $89.95
    21 reviews with an average rating of 4.4 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Plus
  • The R E I Co-op Mastercard. Earn 15% total R E I rewards.

    Earn 15% in total rewards

    Get 5% on all REI Co-op purchases plus the 10% Co-op Member Reward you earn on eligible full-price purchases.



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Sort: Best Match

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