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Women's Underwear

(251 products)
Products (251)
Sort: Best Match
    ExOfficioGNG 2.0 Hipster Briefs - Women's
    $16.73
    Save 30%
    compared to  $24.00
    424 reviews with an average rating of 3.9 out of 5 stars
    Size Type:
    Regular
    REI OUTLET
    ExOfficioEveryday Bikini Underwear - Women's
    $16.73
    Save 30%
    compared to  $24.00
    108 reviews with an average rating of 3.9 out of 5 stars
    Size Type:
    Regular
    REI OUTLET
    SmartwoolIntraknit Thermal Merino Crew Base Layer Top - Women's
    $49.83 - $112.49
    Save 25% - 66%
    compared to  $150.00
    199 reviews with an average rating of 4.2 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular
    ExOfficioGNG 2.0 Bra
    $16.73
    Save 35%
    compared to  $26.00
    552 reviews with an average rating of 3.9 out of 5 stars
    Bra Support:
    Low Impact
    Support Style:
    Encapsulation
    Fabric:
    89% nylon/11% elastane jersey
    REI OUTLET
    Top Rated
    SmartwoolClassic Thermal Merino Quarter-Zip Base Layer Top - Women's
    $49.83 - $97.49
    Save 25% - 61%
    compared to  $130.00
    72 reviews with an average rating of 4.7 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Plus, Regular
    SmartwoolClassic All-Season Merino Base Layer Bottoms - Women's
    $49.83 - $74.99
    Save 25% - 50%
    compared to  $100.00
    25 reviews with an average rating of 4.2 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular, Plus
    Top Rated
    SmartwoolClassic All-Season Merino Quarter-Zip Base Layer Top - Women's
    $69.73
    Save 26%
    compared to  $95.00
    6 reviews with an average rating of 4.5 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular
    REI OUTLET
    SmartwoolClassic All-Season Merino Long-Sleeve Base Layer Top - Women's
    $49.83 - $74.99
    Save 25% - 50%
    compared to  $100.00
    100 reviews with an average rating of 4.4 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular, Plus
  • Sale Ends May 25
    REI Co-opActive Hipster Underwear - Women's
    $14.89
    Save 25%
    compared to  $19.95
    42 reviews with an average rating of 3.8 out of 5 stars
    Size Type:
    Regular, Plus
    prAnaLuxara Rib Racerback Bralette
    $36.73
    Save 36%
    compared to  $58.00
    4 reviews with an average rating of 4.0 out of 5 stars
    Bra Support:
    Medium Impact
    Support Style:
    Compression / Encapsulation
    Fabric:
    64% recycled nylon/36% elastane
    REI OUTLET
    prAnaHeavana Every Minute Bra
    $36.73
    Save 36%
    compared to  $58.00
    37 reviews with an average rating of 4.2 out of 5 stars
    Bra Support:
    Low Impact
    Support Style:
    Compression / Encapsulation
    Fabric:
    87% recycled polyester/13% elastane
    REI OUTLET
  • Sale Ends May 25
    REI Co-opMidweight Base Layer Tights - Women's
    $41.19
    Save 25%
    compared to  $54.95
    126 reviews with an average rating of 4.3 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular, Plus, Petite
  • Sale Ends May 25
    REI Co-opActive Bralette 2.0
    $26.89
    Save 25%
    compared to  $35.95
    132 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
    Top Rated
    ExOfficioGive-N-Go 2.0 Thong Underwear - Women's
    $11.73
    Save 34%
    compared to  $18.00
    69 reviews with an average rating of 4.8 out of 5 stars
    Size Type:
    Regular
    REI OUTLET
    Panache SportEndurance Wired Sports Bra
    $57.93 - $88.00
    14 reviews with an average rating of 4.4 out of 5 stars
    Bra Support:
    High Impact
    Support Style:
    Encapsulation
    Fabric:
    49% polyamide/29% polyester/19% LYCRA Adaptiv/2% TACTEL/1% elastane
    Top Rated
    REI Co-opHeavyweight Merino Base Layer Half-Zip Top - Women's
    $29.83 - $104.95
    35 reviews with an average rating of 4.7 out of 5 stars
    Underwear Weight:
    Heavyweight
    Size Type:
    Regular, Plus
  • Sale Ends May 25
    SmartwoolClassic Thermal Merino Base Layer Bottoms - Women's
    $63.49
    Save 44%
    compared to  $115.00
    280 reviews with an average rating of 4.3 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular
    REI OUTLET
  • Sale Ends May 25
    REI Co-opActive Thong Underwear - Women's
    $12.69
    Save 25%
    compared to  $16.95
    29 reviews with an average rating of 4.2 out of 5 stars
    Size Type:
    Regular, Plus
  • Sale Ends May 25
    REI Co-opMerino Hipster Underwear - Women's
    $22.39
    Save 25%
    compared to  $29.95
    59 reviews with an average rating of 3.9 out of 5 stars
    Size Type:
    Plus, Regular
  • Sale Ends May 25
    Top Rated
    SmartwoolClassic Thermal Merino Crew Base Layer Top - Women's
    $93.69
    Save 25%
    compared to  $125.00
    1222 reviews with an average rating of 4.7 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular, Plus
  • Sale Ends May 25
    SmartwoolClassic All-Season Merino T-Shirt - Women's
    $59.99 - $71.19
    Save 25% - 36%
    compared to  $95.00
    110 reviews with an average rating of 4.3 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular, Plus
  • Sale Ends May 25
    Top Rated
    REI Co-opLightweight Long-Sleeve Crew Base Layer Top - Women's
    $33.69
    Save 25%
    compared to  $44.95
    38 reviews with an average rating of 4.5 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular, Plus
    Arc'teryxRho Base Layer Bottoms - Women's
    $59.83 - $100.00
    38 reviews with an average rating of 4.0 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular, Plus
  • Sale Ends May 25
    REI Co-opMerino 185 Base Layer Bottoms - Women's
    $59.89
    Save 25%
    compared to  $79.95
    122 reviews with an average rating of 4.2 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular
  • Limited time only! The R E I Co-op Mastercard.

    Get $130 in value

    When approved for the REI Co-op Mastercard by May 25, you’ll get $30 in card rewards. Plus, you can earn a $100 REI gift card after your first non-REI purchase within 60 days from account opening. Terms apply.

    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
    Top Rated
    prAnaHeavana Racerback Bralette
    $46.73
    Save 28%
    compared to  $65.00
    44 reviews with an average rating of 4.5 out of 5 stars
    Bra Support:
    Medium Impact
    Support Style:
    Compression / Encapsulation
    Fabric:
    87% recycled polyester/13% elastane
    REI OUTLET
    Top Rated
    SmartwoolClassic Thermal Merino Crew Base Layer Top - Women's
    $81.73 - $84.73
    Save 26% - 28%
    compared to  $115.00
    440 reviews with an average rating of 4.7 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular
    REI OUTLET
  • Sale Ends May 25
    Top Rated
    BrooksChaser Padded Bra
    $45.49
    Save 30%
    compared to  $65.00
    27 reviews with an average rating of 4.6 out of 5 stars
    Bra Support:
    Medium Impact
    Support Style:
    Encapsulation
    Fabric:
    75% nylon/25% spandex
  • Sale Ends May 25
    REI Co-opMidweight Long-Sleeve Base Layer Top - Women's
    $41.19
    Save 25%
    compared to  $54.95
    324 reviews with an average rating of 4.2 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular, Plus
    rabbitPocket Bra
    $60.00
    0 reviews
    Bra Support:
    Medium Impact
    Support Style:
    Compression
    Fabric:
    Pacerknit 76% recycled polyester/24% spandex
1–30 of 251 products
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