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Women's Underwear

(309 products)
Products (309)
Sort: Best Match
    ExOfficioGive-N-Go 2.0 Full-Cut Brief Underwear - Women's
    $16.73
    Save 30%
    compared to  $24.00
    Use code OUTFEB26 for $20 off when you spend $100+ at REI Outlet.
    948 reviews with an average rating of 4.3 out of 5 stars
    Size Type:
    Regular
    REI OUTLET
    REI Co-opActive Thong Underwear - Women's
    $6.83 - $16.95
    25 reviews with an average rating of 4.3 out of 5 stars
    Size Type:
    Regular, Plus
    ExOfficioGive-N-Go 2.0 Bikini Briefs - Women's
    $14.73
    Save 26%
    compared to  $20.00
    Use code OUTFEB26 for $20 off when you spend $100+ at REI Outlet.
    1904 reviews with an average rating of 4.4 out of 5 stars
    Size Type:
    Regular
    REI OUTLET
    REI Co-opActive Briefs - Women's
    $19.95
    40 reviews with an average rating of 4.2 out of 5 stars
    Size Type:
    Regular, Plus
    ExOfficioGive-N-Go Sport 2.0 Sport Mesh Bikini Briefs - Women's
    $18.73
    Save 27%
    compared to  $26.00
    Use code OUTFEB26 for $20 off when you spend $100+ at REI Outlet.
    490 reviews with an average rating of 4.4 out of 5 stars
    Size Type:
    Regular
    REI OUTLET
    ExOfficioEveryday Hipster Underwear - Women's
    $16.73
    Save 30%
    compared to  $24.00
    Use code OUTFEB26 for $20 off when you spend $100+ at REI Outlet.
    106 reviews with an average rating of 4.2 out of 5 stars
    Size Type:
    Regular
    REI OUTLET
    ExOfficioGive-N-Go Sport Mesh 2.0 Hipster Underwear - Women's
    $18.73
    Save 27%
    compared to  $26.00
    Use code OUTFEB26 for $20 off when you spend $100+ at REI Outlet.
    326 reviews with an average rating of 4.3 out of 5 stars
    Size Type:
    Regular
    REI OUTLET
    REI Co-opHeavyweight Merino Base Layer Bottoms - Women's
    $69.93 - $99.95
    31 reviews with an average rating of 4.4 out of 5 stars
    Underwear Weight:
    Heavyweight
    Size Type:
    Regular, Plus
    REI Co-opHeavyweight Merino Long-Sleeve Base Layer Crew Top - Women's
    $69.93 - $99.95
    43 reviews with an average rating of 4.4 out of 5 stars
    Underwear Weight:
    Heavyweight
    Size Type:
    Regular, Plus
    REI Co-opMerino Bikini Underwear - Women's
    $27.95
    58 reviews with an average rating of 4.2 out of 5 stars
    Size Type:
    Regular, Plus
    REI Co-opMidweight Base Layer Tights - Women's
    $54.95
    123 reviews with an average rating of 4.3 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular, Plus, Petite
    REI Co-opMidweight Long-Sleeve Base Layer Top - Women's
    $54.95
    319 reviews with an average rating of 4.2 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular, Plus
    Arc'teryxRho Base Layer Bottoms - Women's
    $24.83 - $100.00
    37 reviews with an average rating of 4.1 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular, Plus
    REI Co-opActive Bikini Underwear - Women's
    $19.95
    53 reviews with an average rating of 3.4 out of 5 stars
    Size Type:
    Regular, Plus
    tasc PerformanceElevation Merino T-Shirt - Women's
    $54.73
    Save 30%
    compared to  $79.00
    Use code OUTFEB26 for $20 off when you spend $100+ at REI Outlet.
    91 reviews with an average rating of 4.3 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular, Plus
    REI OUTLET
    tasc PerformanceElevation Merino Base Layer Bottoms - Women's
    $54.73
    Save 30%
    compared to  $79.00
    Use code OUTFEB26 for $20 off when you spend $100+ at REI Outlet.
    65 reviews with an average rating of 4.1 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular, Plus
    REI OUTLET
    Top Rated
    REI Co-opHeavyweight Merino Base Layer Half-Zip Top - Women's
    $72.93 - $104.95
    29 reviews with an average rating of 4.7 out of 5 stars
    Underwear Weight:
    Heavyweight
    Size Type:
    Regular, Plus
    REI Co-opActive Hipster Underwear - Women's
    $19.95
    40 reviews with an average rating of 3.9 out of 5 stars
    Size Type:
    Regular, Plus
    Boody Eco WearPadded Shaper Bra - Package of 2
    $35.73
    Save 18%
    compared to  $43.95
    Use code OUTFEB26 for $20 off when you spend $100+ at REI Outlet.
    25 reviews with an average rating of 4.0 out of 5 stars
    Bra Support:
    Medium Impact
    Support Style:
    Compression
    Fabric:
    80% viscose made from bamboo/13% nylon/7% spandex
    REI OUTLET
    REI Co-opActive Pursuits Crop Tank Top - Women's
    $21.83 - $44.95
    11 reviews with an average rating of 3.8 out of 5 stars
    Bra Support:
    Low Impact
    Support Style:
    Compression
    Fabric:
    86% recycled polyester/14% spandex (bluesign approved)
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    Terms apply
    Free CountryForce Grid Fleece Base Layer Top - Women's
    $34.73
    Save 36%
    compared to  $55.00
    Use code OUTFEB26 for $20 off when you spend $100+ at REI Outlet.
    7 reviews with an average rating of 4.4 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular, Plus
    REI OUTLET
    Top Rated
    REI Co-opLightweight Base Layer Tights - Women's
    $44.95
    10 reviews with an average rating of 4.5 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular, Plus, Petite
    Kari TraaKlara High-Waisted Base Layer Pants - Women's
    $62.73 - $66.73
    Save 25% - 30%
    compared to  $90.00
    Use code OUTFEB26 for $20 off when you spend $100+ at REI Outlet.
    13 reviews with an average rating of 3.8 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular
    REI OUTLET
    Top Rated
    REI Co-opLightweight Long-Sleeve Crew Base Layer Top - Women's
    $44.95
    31 reviews with an average rating of 4.6 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular, Plus
    New arrival
    SmartwoolMerino Bikini Underwear Boxed - Women's
    $35.00
    0 reviews
    Size Type:
    Regular
    Top Rated
    SmartwoolClassic Thermal Merino Crew Base Layer Top - Women's
    $125.00
    1213 reviews with an average rating of 4.7 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular, Plus
    SmartwoolClassic Thermal Merino Base Layer Bottoms - Women's
    $125.00
    759 reviews with an average rating of 4.4 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular
    Free CountryForce Grid Fleece Base Layer Bottoms - Women's
    $34.73
    Save 36%
    compared to  $55.00
    Use code OUTFEB26 for $20 off when you spend $100+ at REI Outlet.
    11 reviews with an average rating of 4.2 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular
    REI OUTLET
    Top Rated
    Beyond YogaSpacedye Lift Your Spirits Bra
    $45.93 - $68.00
    808 reviews with an average rating of 4.7 out of 5 stars
    Bra Support:
    Medium Impact
    Support Style:
    Encapsulation
    Fabric:
    87% polyester/13% spandex
    Kari TraaEdith Half-Zip Base Layer Top - Women's
    $81.73
    Save 25%
    compared to  $110.00
    Use code OUTFEB26 for $20 off when you spend $100+ at REI Outlet.
    10 reviews with an average rating of 4.4 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular
    REI OUTLET
1–30 of 309 products
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