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Women's Underwear

(373 products)
Products (373)
Sort: Best Match
    Terramar3.0 Thermawool Crew Base Layer Top - Women's
    $49.73 - $52.73
    Save 24% - 28%
    compared to  $70.00
    1 reviews with an average rating of 3.0 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular
    REI OUTLET
    Kari TraaEmbla Wool Boxer Briefs - Women's
    $40.00
    2 reviews with an average rating of 1.0 out of 5 stars
    Size Type:
    Regular
  • Sale Ends Oct 6
    Helly HansenLIFA Merino Midweight Crew Base Layer Top - Women's
    $64.73
    Save 35%
    compared to  $100.00
    0 reviews
    Underwear Weight:
    Midweight
    Size Type:
    Regular, Plus
    REI OUTLET
    prAnaLayna Printed Bra
    $39.73
    Save 38%
    compared to  $65.00
    1 reviews with an average rating of 1.0 out of 5 stars
    Support Style:
    Compression / Encapsulation
    Fabric:
    85% recycled polyester/15% LYCRA elastane
    REI OUTLET
    Top Rated
    Arc'teryxRho Zip-Neck Base Layer Top - Women's
    $120.00
    11 reviews with an average rating of 4.7 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular, Plus
    Kari TraaSara Base Layer Pants - Women's
    $74.73
    Save 25%
    compared to  $100.00
    2 reviews with an average rating of 5.0 out of 5 stars
    Underwear Weight:
    Heavyweight
    Size Type:
    Regular
    REI OUTLET
    Kari TraaRose High-Waist Base Layer Pants - Women's
    $76.73 - $79.73
    Save 27% - 30%
    compared to  $110.00
    24 reviews with an average rating of 4.4 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular
    REI OUTLET
    SmartwoolClassic Thermal Merino Base Layer Quarter-Zip - Women's
    $89.73
    Save 25%
    compared to  $120.00
    2 reviews with an average rating of 4.5 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular
    REI OUTLET
    Top Rated
    Kari TraaRose Half-Zip Base Layer Top - Women's
    $140.00
    48 reviews with an average rating of 4.5 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular, Plus
    Kari TraaEloise Long-Sleeve Base Layer Top - Women's
    $52.73
    Save 24%
    compared to  $70.00
    0 reviews
    Underwear Weight:
    Lightweight
    Size Type:
    Regular
    REI OUTLET
    Arc'teryxRho Boot Cut Base Layer Bottoms - Women's
    $72.73
    Save 19%
    compared to  $90.00
    1 reviews with an average rating of 5.0 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular
    REI OUTLET
    Top Rated
    REI Co-opHeavyweight Merino Base Layer Half-Zip Top - Women's
    $104.95
    21 reviews with an average rating of 4.6 out of 5 stars
    Underwear Weight:
    Heavyweight
    Size Type:
    Regular, Plus
    Top Rated
    Kari TraaRose Half-Zip Base Layer Top - Women's
    $89.73
    Save 25%
    compared to  $120.00
    48 reviews with an average rating of 4.5 out of 5 stars
    Underwear Weight:
    Heavyweight
    Size Type:
    Regular, Plus
    REI OUTLET
    Kari TraaEloise Base Layer Pants - Women's
    $52.73
    Save 24%
    compared to  $70.00
    0 reviews
    Underwear Weight:
    Lightweight
    Size Type:
    Regular
    REI OUTLET
    Kari TraaElse Base Layer Pants - Women's
    $74.73
    Save 25%
    compared to  $100.00
    0 reviews
    Underwear Weight:
    Midweight
    Size Type:
    Regular
    REI OUTLET
    Kari TraaElse Half-Zip Base Layer Top - Women's
    $76.73
    Save 30%
    compared to  $110.00
    3 reviews with an average rating of 5.0 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular
    REI OUTLET
    SmartwoolIntraknit Thermal Merino Base Layer Bottoms - Women's
    $92.73
    Save 28%
    compared to  $130.00
    28 reviews with an average rating of 4.3 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular
    REI OUTLET
    SmartwoolIntraknit Strappy Bra
    $31.93
    Save 50%
    compared to  $65.00
    4 reviews with an average rating of 4.0 out of 5 stars
    Bra Support:
    Low Impact
    Support Style:
    Encapsulation
    Fabric:
    65% nylon/24% elastane/11% polyester
    IcebreakerMerino 200 Oasis Thermal Leggings - Women's
    $105.00
    75 reviews with an average rating of 4.5 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular, Plus
    Kari TraaSara Long-Sleeve Base Layer Top - Women's
    $74.73
    Save 25%
    compared to  $100.00
    0 reviews
    Underwear Weight:
    Heavyweight
    Size Type:
    Regular
    REI OUTLET
    SmartwoolIntraknit Thermal Max Merino Base Layer Bottoms - Women's
    $100.73
    Save 25%
    compared to  $135.00
    0 reviews
    Underwear Weight:
    Heavyweight
    Size Type:
    Regular
    REI OUTLET
    Kari TraaMalia Half-Zip Base Layer Top - Women's
    $59.73
    Save 25%
    compared to  $80.00
    0 reviews
    Underwear Weight:
    Midweight
    Size Type:
    Regular, Plus
    REI OUTLET
    SmartwoolIntraknit Racerback Bra
    $65.00
    3 reviews with an average rating of 3.0 out of 5 stars
    Bra Support:
    Low Impact
    Support Style:
    Compression
    Fabric:
    62% nylon/28% elastane/10% polyester
    Top Rated
    IcebreakerMerino 260 Tech Long-Sleeve Half-Zip Thermal Base Layer Top - Women's
    $99.73
    Save 26%
    compared to  $135.00
    28 reviews with an average rating of 4.7 out of 5 stars
    Underwear Weight:
    Heavyweight
    Size Type:
    Regular, Plus
    REI OUTLET
    Sweaty BettyPower Contour Plunge Bra
    $59.73
    Save 32%
    compared to  $88.00
    10 reviews with an average rating of 3.8 out of 5 stars
    Bra Support:
    Medium Impact
    Support Style:
    Compression
    Fabric:
    62% polyamide/38% elastane
    REI OUTLET
    Arc'teryxLana Merino Wool Crew Base Layer Top - Women's
    $44.83
    Save 50%
    compared to  $90.00
    5 reviews with an average rating of 2.8 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular
  • Sale Ends Oct 6
    Free CountryCloud Knit Base Layer Bottoms - Women's
    $26.73
    Save 40%
    compared to  $45.00
    0 reviews
    Underwear Weight:
    Lightweight
    Size Type:
    Regular
    REI OUTLET
    Top Rated
    IcebreakerMerino 200 Oasis Long-Sleeve Half-Zip Thermal Base Layer Top - Women's
    $84.73
    Save 26%
    compared to  $115.00
    22 reviews with an average rating of 4.7 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular, Plus
    REI OUTLET
    Kari TraaVilma Base Layer Pants - Women's
    $67.73
    Save 24%
    compared to  $90.00
    0 reviews
    Underwear Weight:
    Midweight
    Size Type:
    Regular
    REI OUTLET
    Top Rated
    Icebreaker260 Tech Long-Sleeve Crewe Base Layer Top - Women's
    $125.00
    38 reviews with an average rating of 4.7 out of 5 stars
    Underwear Weight:
    Heavyweight
    Size Type:
    Regular, Plus
Sort: Best Match

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