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Women's Underwear

(352 products)
Products (352)
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    REI Co-opActive Pursuits Sports Bra

    $24.83 - $34.93
    Save 30% - 50%
    compared to  $49.95
    51 reviews with an average rating of 3.9 out of 5 stars
    Bra Support:
    Medium Impact
    Support Style:
    Compression / Encapsulation
    Fabric:
    86% recycled polyester/14% spandex (bluesign approved)

    REI Co-opActive Thong Underwear - Women's

    $14.95
    10 reviews with an average rating of 4.2 out of 5 stars
    Size Type:
    Regular, Plus

    REI Co-opActive Briefs - Women's

    $17.95
    33 reviews with an average rating of 4.2 out of 5 stars
    Size Type:
    Regular, Plus

    REI Co-opMerino Bikini Underwear - Women's

    $27.95
    38 reviews with an average rating of 4.2 out of 5 stars
    Size Type:
    Regular, Plus

    Boody Eco WearLYOLYTE Hipster Bikini Underwear - Package of 2 - Women's

    $25.73
    Save 19%
    compared to  $31.90
    Members use code OUTSEPT24 for $20 off $100+ at REI Outlet
    1 reviews with an average rating of 4.0 out of 5 stars
    Size Type:
    Regular
    REI OUTLET

    Boody Eco WearLYOLYTE Triangle Bralette - Package of 2

    $32.73
    Save 17%
    compared to  $39.90
    Members use code OUTSEPT24 for $20 off $100+ at REI Outlet
    2 reviews with an average rating of 3.5 out of 5 stars
    Bra Support:
    Low Impact
    Support Style:
    Encapsulation
    Fabric:
    68% lyocell/24% nylon/8% elastane viscose fiber made from bamboo
    REI OUTLET

    REI Co-opMidweight Long-Sleeve Base Layer Top - Women's

    $26.83 - $54.95
    188 reviews with an average rating of 4.2 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular, Plus

    REI Co-opMerino 185 Base Layer Bottoms - Women's

    $23.83 - $79.95
    90 reviews with an average rating of 4.3 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular
    Top Rated

    REI Co-opMerino Base Layer Tank Top - Women's

    $49.95
    18 reviews with an average rating of 4.7 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular, Plus

    REI Co-opMidweight Base Layer Half-Zip Top - Women's

    $29.83 - $59.95
    106 reviews with an average rating of 4.4 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular, Plus

    REI Co-opLightweight Base Layer Long-Sleeve Crew Top - Women's

    $39.95
    173 reviews with an average rating of 4.1 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular

    REI Co-opMerino 185 Long-Sleeve Base Layer Top - Women's

    $23.83 - $79.95
    171 reviews with an average rating of 4.5 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular

    adidasPowerReact Training Medium-Support Sports Bra

    $27.93
    Save 30%
    compared to  $40.00
    9 reviews with an average rating of 4.3 out of 5 stars
    Bra Support:
    Medium Impact
    Support Style:
    Compression
    Fabric:
    89% recycled polyester/11% elastane single interlock

    REI Co-opMidweight Base Layer Tights - Women's

    $26.83 - $54.95
    71 reviews with an average rating of 4.0 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular, Plus, Petite

    REI Co-opActive Hipster Underwear - Women's

    $18.95
    35 reviews with an average rating of 3.8 out of 5 stars
    Size Type:
    Regular, Plus

    REI Co-opMerino Thong Underwear - Women's

    $24.95
    27 reviews with an average rating of 4.1 out of 5 stars
    Size Type:
    Regular, Plus

    Boody Eco WearLYOLYTE G-String Underwear - Package of 2 - Women's

    $25.73
    Save 19%
    compared to  $31.90
    Members use code OUTSEPT24 for $20 off $100+ at REI Outlet
    0 reviews
    Size Type:
    Regular
    REI OUTLET
    Top Rated

    REI Co-opMerino Bralette

    $44.95
    136 reviews with an average rating of 4.6 out of 5 stars
    Bra Support:
    Low Impact
    Support Style:
    Encapsulation
    Fabric:
    48% merino wool/32% TENCEL lyocell/15% nylon/5% LYCRA spandex

    Mountain HardwearYuba Trail Bra

    $48.73
    Save 25%
    compared to  $65.00
    Members use code OUTSEPT24 for $20 off $100+ at REI Outlet
    3 reviews with an average rating of 4.0 out of 5 stars
    Bra Support:
    Low Impact
    Support Style:
    Compression
    Fabric:
    Performance jersey: 78% recycled polyester/22% elastane
    REI OUTLET
    Top Rated

    VuoriYosemite Bra

    $45.93 - $58.00
    11 reviews with an average rating of 4.5 out of 5 stars
    Bra Support:
    Low Impact
    Support Style:
    Compression
    Fabric:
    72% polyester/28% elastane

    Kari TraaElse Half-Zip Base Layer Top - Women's

    $76.73
    Save 30%
    compared to  $110.00
    Members use code OUTSEPT24 for $20 off $100+ at REI Outlet
    0 reviews
    Underwear Weight:
    Midweight
    Size Type:
    Regular
    REI OUTLET
    Top Rated

    REI Co-opMerino 185 Long-Sleeve Half-Zip Base Layer Top - Women's Plus Sizes

    $26.83 - $89.95
    13 reviews with an average rating of 4.7 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Plus

    SmartwoolActive Crop Bra

    $51.73
    Save 26%
    compared to  $70.00
    Members use code OUTSEPT24 for $20 off $100+ at REI Outlet
    3 reviews with an average rating of 4.3 out of 5 stars
    Bra Support:
    Low Impact
    Support Style:
    Compression
    Fabric:
    87% nylon/13% elastane (exclusive of decoration)
    REI OUTLET

    REI Co-opMerino 185 Base Layer Top - Women's

    $34.83 - $69.95
    30 reviews with an average rating of 4.4 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular

    BrooksPlunge 3.0 Sports Bra

    $45.00
    27 reviews with an average rating of 4.4 out of 5 stars
    Bra Support:
    Medium Impact
    Support Style:
    Compression
    Fabric:
    Shell 1: 79% recycled polyester.21% spandex; shell 2: 78% recycled polyester/22% spandex

    REI Co-opActive Bikini Underwear - Women's

    $19.95
    46 reviews with an average rating of 3.3 out of 5 stars
    Size Type:
    Regular, Plus

    ExOfficioGive-N-Go 2.0 Bikini Briefs - Women's

    $20.00
    596 reviews with an average rating of 4.3 out of 5 stars
    Size Type:
    Regular
    Top Rated

    REI Co-opMerino 185 Long-Sleeve Half-Zip Base Layer Top - Women's

    $89.95
    88 reviews with an average rating of 4.6 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular

    REI Co-opLightweight Base Layer Tights - Women's Plus Sizes

    $11.83 - $39.95
    11 reviews with an average rating of 4.2 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Plus