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Women's Underwear

(358 products)
Products (358)
Sort: Best Match

    SmartwoolIntraknit Thermal Merino Pattern Crew Base Layer Top - Women's

    $90.93
    Save 30%
    compared to  $130.00
    82 reviews with an average rating of 4.4 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular

    Helly HansenHH Lifa Active Crew Base Layer Top - Women's

    $39.73
    Save 33%
    compared to  $60.00
    3 reviews with an average rating of 4.3 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular
    REI OUTLET

    Mountain HardwearYuba Trail Bra

    $48.73
    Save 25%
    compared to  $65.00
    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

    SmartwoolIntraknit Strappy Bra

    $48.73
    Save 25%
    compared to  $65.00
    4 reviews with an average rating of 4.0 out of 5 stars
    Bra Support:
    Low Impact
    Support Style:
    Compression
    Fabric:
    65% nylon/24% elastane/11% polyester (exclusive of decoration)
    REI OUTLET

    Icebreaker200 Oasis Macro Forms Base Layer Leggings - Women's

    $85.73
    Save 25%
    compared to  $115.00
    4 reviews with an average rating of 5.0 out of 5 stars
    Size Type:
    Regular
    REI OUTLET

    prAnaLayna Printed Bra - Women's

    $39.73
    Save 38%
    compared to  $65.00
    0 reviews
    Support Style:
    Compression / Encapsulation
    Fabric:
    85% recycled polyester/15% LYCRA elastane
    REI OUTLET

    Outdoor ResearchVantage Bra

    $39.73
    Save 27%
    compared to  $55.00
    2 reviews with an average rating of 4.5 out of 5 stars
    Bra Support:
    Low Impact
    Support Style:
    Compression
    Fabric:
    74% nylon/26% LYCRA spandex
    REI OUTLET

    Threads 4 ThoughtEva Crossover Mesh Sports Bra

    $39.73
    Save 31%
    compared to  $58.00
    0 reviews
    Bra Support:
    High Impact
    Support Style:
    Compression
    Fabric:
    77% recycled polyester/23% spandex
    REI OUTLET

    Kari TraaKlara High-Waisted Base Layer Pants - Women's

    $62.73
    Save 30%
    compared to  $90.00
    1 reviews with an average rating of 3.0 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular
    REI OUTLET

    Royal RobbinsReadyDry Full Briefs - Women's

    $16.73
    Save 23%
    compared to  $22.00
    0 reviews
    Size Type:
    Regular
    REI OUTLET

    Kari TraaFryd Base Layer Pants - Women's

    $37.73
    Save 31%
    compared to  $55.00
    14 reviews with an average rating of 3.6 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular
    REI OUTLET

    Kari TraaLune Long-Sleeve Base Layer Top - Women's

    $48.73
    Save 25%
    compared to  $65.00
    2 reviews with an average rating of 3.0 out of 5 stars
    Underwear Weight:
    Heavyweight
    Size Type:
    Regular
    REI OUTLET
    Top Rated

    SmartwoolActive Crop Bra

    $51.73
    Save 26%
    compared to  $70.00
    6 reviews with an average rating of 4.5 out of 5 stars
    Bra Support:
    Low Impact
    Support Style:
    Compression
    Fabric:
    87% nylon/13% elastane (exclusive of decoration)
    REI OUTLET

    Helly HansenLifa Active Graphic Crew Base Layer Top - Women's

    $48.73
    Save 25%
    compared to  $65.00
    3 reviews with an average rating of 4.0 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular
    REI OUTLET

    Helly HansenLifa Active Base Layer Bottoms - Women's

    $39.73
    Save 27%
    compared to  $55.00
    0 reviews
    Underwear Weight:
    Lightweight
    Size Type:
    Regular
    REI OUTLET

    Kari TraaFierce Base Layer Pants - Women's

    $39.73
    Save 33%
    compared to  $60.00
    0 reviews
    Underwear Weight:
    Lightweight
    Size Type:
    Regular
    REI OUTLET
    Top Rated

    The North FaceMovmynt Bra

    $48.73
    Save 25%
    compared to  $65.00
    6 reviews with an average rating of 5.0 out of 5 stars
    Bra Support:
    Medium Impact
    Support Style:
    Compression
    Fabric:
    Body: 50D x 40D 252 g/m2 77% recycled polyester/23% elastane w/ FlashDry; back panel: 40D x 140D 105 g/m2 80% nylon/20% elastane; elastic band: 67% nylon, 21% elastane, 12% polyester w/ FlashDry-Pro
    REI OUTLET

    prAnaLuxara Bralette

    $46.73
    Save 28%
    compared to  $65.00
    1 reviews with an average rating of 5.0 out of 5 stars
    Bra Support:
    Low Impact
    Support Style:
    Compression / Encapsulation
    Fabric:
    76% recycled nylon/24% elastane
    REI OUTLET

    prAnaChakara Bra

    $44.73
    Save 24%
    compared to  $59.00
    0 reviews
    Support Style:
    Compression
    Fabric:
    93% recycled nylon/7% LYCRA elastane
    REI OUTLET

    SmartwoolIntraknit Strappy Bra

    $46.73
    Save 28%
    compared to  $65.00
    1 reviews with an average rating of 4.0 out of 5 stars
    Bra Support:
    Low Impact
    Support Style:
    Encapsulation
    Fabric:
    69% nylon/17% elastane/14% polyester
    REI OUTLET

    Terramar4.0 Genesis Crew Base Layer Top - Women's

    $24.73
    Save 29%
    compared to  $35.00
    1 reviews with an average rating of 5.0 out of 5 stars
    Underwear Weight:
    Heavyweight
    Size Type:
    Regular
    REI OUTLET

    Kari TraaFloke Base Layer Pants - Women's

    $74.73
    Save 25%
    compared to  $100.00
    1 reviews with an average rating of 5.0 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular
    REI OUTLET

    SmartwoolIntraknit Racerback Bra

    $48.73
    Save 25%
    compared to  $65.00
    8 reviews with an average rating of 3.5 out of 5 stars
    Bra Support:
    Low Impact
    Support Style:
    Compression
    Fabric:
    62% nylon/28% elastane/10% polyester (exclusive of decoration)
    REI OUTLET

    Kari TraaRose Light Half-Zip Base Layer Top - Women's

    $89.73
    Save 25%
    compared to  $120.00
    1 reviews with an average rating of 5.0 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular
    REI OUTLET

    Boody Eco WearLYOLYTE Triangle Bralette - Package of 2

    $32.73
    Save 17%
    compared to  $39.90
    3 reviews with an average rating of 2.7 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

    Free CountryForce Grid Fleece Base Layer Top - Women's

    $34.73
    Save 36%
    compared to  $55.00
    1 reviews with an average rating of 5.0 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular
    REI OUTLET

    Terramar2.0 Cloud Nine Midweight Performance Thermal Turtleneck - Women's

    $35.73
    Save 25%
    compared to  $48.00
    0 reviews
    Underwear Weight:
    Midweight
    Size Type:
    Regular
    REI OUTLET

    Terramar2.0 Cloud Nine Midweight Performance Base Layer Scoop Shirt - Women's

    $33.73
    Save 25%
    compared to  $45.00
    1 reviews with an average rating of 5.0 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular
    REI OUTLET

    Kari TraaVoss Cashmere Mix Half-Zip Base Layer Top - Women's

    $134.73
    Save 25%
    compared to  $180.00
    0 reviews
    Underwear Weight:
    Midweight
    Size Type:
    Regular
    REI OUTLET

    Helly HansenLIFA Merino Midweight Graphic Base Layer Pants - Women's

    $82.73
    Save 24%
    compared to  $110.00
    0 reviews
    Underwear Weight:
    Midweight
    Size Type:
    Regular
    REI OUTLET
Sort: Best Match

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