Skip to search results
loaded 301 results

Women's Underwear

(301 products)
Products (301)
Sort: Best Match
    REI Co-opMerino Hipster Underwear - Women's
    $29.95
    55 reviews with an average rating of 3.9 out of 5 stars
    Size Type:
    Regular, Plus
    Top Rated
    REI Co-opHeavyweight Merino Base Layer Half-Zip Top - Women's
    $51.83 - $104.95
    31 reviews with an average rating of 4.7 out of 5 stars
    Underwear Weight:
    Heavyweight
    Size Type:
    Regular, Plus
    REI Co-opActive Thong Underwear - Women's
    $2.83 - $16.95
    28 reviews with an average rating of 4.4 out of 5 stars
    Size Type:
    Regular, Plus
    ExOfficioEveryday Hipster Underwear - Women's
    $16.73
    Save 30%
    compared to  $24.00
    107 reviews with an average rating of 4.3 out of 5 stars
    Size Type:
    Regular
    REI OUTLET
    New arrival
    BrooksLuxe Pocket Sports Bra
    $39.73
    Save 27%
    compared to  $55.00
    0 reviews
    Bra Support:
    Medium Impact
    Support Style:
    Compression
    Fabric:
    77% recycled polyester/23% spandex; cups: 58% polyurethane/42% recycled polyester
    REI OUTLET
    REI Co-opHeavyweight Merino Long-Sleeve Base Layer Crew Top - Women's
    $49.83 - $99.95
    44 reviews with an average rating of 4.4 out of 5 stars
    Underwear Weight:
    Heavyweight
    Size Type:
    Regular, Plus
    Top Rated
    VuoriAllTheFeels Bra
    $45.93 - $58.00
    7 reviews with an average rating of 4.7 out of 5 stars
    Bra Support:
    Low Impact
    Support Style:
    Compression
    Fabric:
    75% recycled polyamide/25% elastane
    REI Co-opActive Bralette 2.0
    $35.95
    126 reviews with an average rating of 4.3 out of 5 stars
    Bra Support:
    Low Impact
    Support Style:
    Encapsulation
    Fabric:
    86% polyester/14% spandex mesh
    SmartwoolClassic All-Season Merino Long-Sleeve Base Layer Top - Women's
    $53.83 - $100.00
    91 reviews with an average rating of 4.4 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular, Plus
    REI Co-opHeavyweight Merino Base Layer Bottoms - Women's
    $49.83 - $99.95
    33 reviews with an average rating of 4.4 out of 5 stars
    Underwear Weight:
    Heavyweight
    Size Type:
    Regular, Plus
    prAnaTornado Bra
    $44.73
    Save 30%
    compared to  $64.00
    0 reviews
    Bra Support:
    Low Impact
    Support Style:
    Compression / Encapsulation
    Fabric:
    90% organic cotton/10% elastane
    REI OUTLET
    Top Rated
    SmartwoolClassic Thermal Merino Quarter-Zip Base Layer Top - Women's
    $71.83 - $130.00
    67 reviews with an average rating of 4.7 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular, Plus
    REI Co-opMidweight Base Layer Half-Zip Top - Women's
    $59.95
    193 reviews with an average rating of 4.4 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular, Plus
    REI Co-opActive Briefs - Women's
    $19.95
    42 reviews with an average rating of 4.2 out of 5 stars
    Size Type:
    Regular, Plus
    REI Co-opMidweight Long-Sleeve Base Layer Top - Women's
    $54.95
    321 reviews with an average rating of 4.2 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular, Plus
    REI Co-opMidweight Base Layer Tights - Women's
    $54.95
    126 reviews with an average rating of 4.3 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular, Plus, Petite
    REI Co-opActive Hipster Underwear - Women's
    $19.95
    41 reviews with an average rating of 3.9 out of 5 stars
    Size Type:
    Regular, Plus
    REI Co-opMerino Bikini Underwear - Women's
    $27.95
    60 reviews with an average rating of 4.1 out of 5 stars
    Size Type:
    Regular, Plus
    JanjiGroundwork Long Bra
    $33.83 - $80.00
    18 reviews with an average rating of 4.2 out of 5 stars
    Bra Support:
    Medium Impact
    Support Style:
    Compression / Encapsulation
    Fabric:
    68% nylon/32% spandex
    Top Rated
    SmartwoolClassic Thermal Merino Crew Base Layer Top - Women's
    $68.83 - $125.00
    1218 reviews with an average rating of 4.7 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular, 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.



    Terms apply
    REI Co-opActive Bikini Underwear - Women's
    $19.95
    55 reviews with an average rating of 3.4 out of 5 stars
    Size Type:
    Regular, Plus
    REI Co-opMerino 185 Long-Sleeve Base Layer Top - Women's
    $79.95
    239 reviews with an average rating of 4.4 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular
    Top Rated
    Beyond YogaSpacedye Lift Your Spirits Bra
    $68.00
    829 reviews with an average rating of 4.7 out of 5 stars
    Bra Support:
    Medium Impact
    Support Style:
    Encapsulation
    Fabric:
    87% polyester/13% spandex
    Top Rated
    Kari TraaRose High-Waisted Base Layer Pants - Women's
    $64.83 - $120.00
    14 reviews with an average rating of 4.5 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular
    REI Co-opMerino 185 Base Layer Top - Women's
    $69.95
    62 reviews with an average rating of 4.3 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular
    PatagoniaMaipo Low-Impact Bra
    $65.00
    8 reviews with an average rating of 3.8 out of 5 stars
    Bra Support:
    Low Impact
    Support Style:
    Compression
    Fabric:
    81% NetPlus postconsumer recycled nylon/19% spandex knit with miDori bioSoft
    REI Co-opMerino 185 Base Layer Bottoms - Women's
    $79.95
    121 reviews with an average rating of 4.2 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular
    HalfdaysSophia Base Layer Leggings - Women's
    $46.83 - $95.00
    123 reviews with an average rating of 4.5 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular, Plus
    NikeSwoosh Medium Support Bra
    $42.00
    146 reviews with an average rating of 4.0 out of 5 stars
    Bra Support:
    Medium Impact
    Support Style:
    Compression
    Fabric:
    72% polyester/28% spandex
    ExOfficioGive-N-Go 2.0 Sport Mesh Thong Underwear - Women's
    $16.73
    Save 30%
    compared to  $24.00
    137 reviews with an average rating of 3.9 out of 5 stars
    Size Type:
    Regular
    REI OUTLET
1–30 of 301 products
Sort: Best Match

Related Expert Advice articles