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Women's Underwear

(239 products)
Products (239)
Sort: Best Match
    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
    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 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
  • 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
  • Sale Ends May 25
    BrooksConvertible 2.0 Sports Bra
    $41.99 - $45.49
    Save 30%
    compared to  $60.00 - $65.00
    161 reviews with an average rating of 3.9 out of 5 stars
    Bra Support:
    High Impact
    Support Style:
    Compression
    Fabric:
    Shell 1: 79% recycled polyester/21% spandex; shell 2: 78% recycled polyester/22% spandex
  • 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
    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
    SmartwoolClassic Thermal Merino Base Layer Bottoms - Women's
    $84.73
    Save 26%
    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-opMerino 185 Long-Sleeve Base Layer Top - Women's
    $59.89
    Save 25%
    compared to  $79.95
    246 reviews with an average rating of 4.4 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular
  • 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-opMerino 185 Base Layer Top - Women's
    $52.39
    Save 25%
    compared to  $69.95
    67 reviews with an average rating of 4.3 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular
  • 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
    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
  • Sale Ends May 25
    Top Rated
    REI Co-opLightweight Half-Zip Base Layer Top - Women's
    $37.39
    Save 25%
    compared to  $49.95
    16 reviews with an average rating of 4.8 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
    40 reviews with an average rating of 4.6 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular, Plus
  • Sale Ends May 25
    REI Co-opMidweight Base Layer Half-Zip Top - Women's
    $44.89
    Save 25%
    compared to  $59.95
    195 reviews with an average rating of 4.4 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular, Plus
    REI Co-opHeavyweight Merino Base Layer Bottoms - Women's
    $29.83 - $74.89
    Save 25% - 70%
    compared to  $99.95
    34 reviews with an average rating of 4.4 out of 5 stars
    Underwear Weight:
    Heavyweight
    Size Type:
    Regular, Plus
  • 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
    JanjiGroundwork Long Bra
    $53.99 - $59.99
    Save 25%
    compared to  $72.00 - $80.00
    21 reviews with an average rating of 4.0 out of 5 stars
    Bra Support:
    Medium Impact
    Support Style:
    Compression / Encapsulation
    Fabric:
    68% nylon/32% spandex
  • Sale Ends May 25
    SmartwoolClassic Thermal Merino Base Layer Bottoms - Women's
    $93.69
    Save 25%
    compared to  $125.00
    769 reviews with an average rating of 4.4 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular
  • Sale Ends May 25
    SmartwoolClassic All-Season Merino T-Shirt - Women's
    $71.19
    Save 25%
    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
    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
    SmartwoolIntraknit Racerback Bra
    $59.99
    Save 25%
    compared to  $80.00
    1 reviews with an average rating of 4.0 out of 5 stars
    Bra Support:
    Low Impact
    Support Style:
    Compression
    Fabric:
    69% nylon/35% TENCEL lyocell/17% elastane/14% polyester (exclusive of decoration)
  • 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
  • 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.

  • Sale Ends May 25
    BrooksLimitless Racerback Bra
    $55.99
    Save 30%
    compared to  $80.00
    24 reviews with an average rating of 4.0 out of 5 stars
    Bra Support:
    High Impact
    Support Style:
    Encapsulation
    Fabric:
    Body: 85% polyester/15% spandex; mesh panel: 81% nylon/19% elastane
  • Sale Ends May 25
    Top Rated
    REI Co-opLightweight Crew Base Layer Top - Women's
    $26.19
    Save 25%
    compared to  $34.95
    30 reviews with an average rating of 4.8 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular, Plus
    REI Co-opHeavyweight Merino Long-Sleeve Base Layer Crew Top - Women's
    $29.83 - $74.89
    Save 25% - 70%
    compared to  $99.95
    45 reviews with an average rating of 4.4 out of 5 stars
    Underwear Weight:
    Heavyweight
    Size Type:
    Regular, Plus
  • Sale Ends May 25
    The North FaceJaida Long Line Bra
    $48.69
    Save 25%
    compared to  $65.00
    7 reviews with an average rating of 4.3 out of 5 stars
    Bra Support:
    Medium Impact
    Support Style:
    Compression
    Fabric:
    40-denier 262 g/m² 70% recycled polyester/30% recycled elastane with FlashDry™
  • Sale Ends May 25
    BrooksLuxe Pocket Sports Bra
    $38.49
    Save 30%
    compared to  $55.00
    65 reviews with an average rating of 3.6 out of 5 stars
    Bra Support:
    Medium Impact
    Support Style:
    Compression
    Fabric:
    Shell: 77% recycled polyester/23% spandex; cups: 58% polyurethane/42% recycled polyester
  • Sale Ends May 25
    Top Rated
    REI Co-opHeavyweight Merino Base Layer Half-Zip Top - Women's
    $78.69
    Save 25%
    compared to  $104.95
    35 reviews with an average rating of 4.7 out of 5 stars
    Underwear Weight:
    Heavyweight
    Size Type:
    Regular, Plus
1–30 of 239 products
Sort: Best Match

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