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Women's Underwear

(348 products)
Products (348)
Sort: Best Match
    REI Co-opMidweight Long-Sleeve Base Layer Top - Women's
    $26.83 - $38.39
    Save 30% - 51%
    compared to  $54.95
    249 reviews with an average rating of 4.2 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular, Plus
    REI Co-opMidweight Base Layer Tights - Women's
    $26.83 - $38.39
    Save 30% - 51%
    compared to  $54.95
    93 reviews with an average rating of 4.1 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular, Plus, Petite
    NikeSwoosh Medium Support Bra
    $27.93
    Save 30%
    compared to  $40.00
    125 reviews with an average rating of 4.1 out of 5 stars
    Bra Support:
    Medium Impact
    Support Style:
    Compression
    Fabric:
    72% polyester/28% spandex
    REI Co-opMidweight Base Layer Half-Zip Top - Women's
    $19.83 - $41.89
    Save 30% - 66%
    compared to  $59.95
    140 reviews with an average rating of 4.4 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular, Plus
    BrooksConvertible 2.0 Sports Bra
    $41.93 - $41.99
    Save 30%
    compared to  $60.00
    110 reviews with an average rating of 3.7 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
    SmartwoolClassic All-Season Merino Long-Sleeve Base Layer Top - Women's
    $44.83 - $90.00
    121 reviews with an average rating of 4.4 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular, Plus
    REI Co-opActive Briefs - Women's
    $17.95
    38 reviews with an average rating of 4.2 out of 5 stars
    Size Type:
    Regular, Plus
  • Sale Ends Sep 1
    Top Rated
    REI Co-opLightweight Long-Sleeve Crew Base Layer Top - Women's
    $27.89
    Save 30%
    compared to  $39.95
    19 reviews with an average rating of 4.6 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular, Plus
    Top Rated
    REI Co-opMerino 185 Long-Sleeve Half-Zip Base Layer Top - Women's
    $39.83 - $89.95
    102 reviews with an average rating of 4.5 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular
    REI Co-opActive Bralette 2.0
    $34.95
    120 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
    REI Co-opActive Bikini Underwear - Women's
    $19.95
    51 reviews with an average rating of 3.3 out of 5 stars
    Size Type:
    Regular, Plus
    Boody Eco WearPadded Shaper Bra - Package of 2
    $35.73
    Save 18%
    compared to  $43.95
    Members use code LABORDAY2025 for an extra 20% off at REI Outlet
    14 reviews with an average rating of 3.6 out of 5 stars
    Bra Support:
    Medium Impact
    Support Style:
    Compression
    Fabric:
    80% viscose made from bamboo/13% nylon/7% spandex
    REI OUTLET
    SmartwoolClassic All-Season Merino T-Shirt - Women's
    $39.83 - $80.00
    88 reviews with an average rating of 4.2 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular, Plus
    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
    Top Rated
    SmartwoolClassic Thermal Merino Crew Base Layer Top - Women's
    $81.73
    Save 28%
    compared to  $115.00
    Members use code LABORDAY2025 for an extra 20% off at REI Outlet
    367 reviews with an average rating of 4.7 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular, Plus
    REI OUTLET
    REI Co-opMerino 185 Base Layer Top - Women's
    $34.83 - $69.95
    50 reviews with an average rating of 4.2 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular
    REI Co-opActive Thong Underwear - Women's
    $14.95
    20 reviews with an average rating of 4.4 out of 5 stars
    Size Type:
    Regular, Plus
    Top Rated
    Beyond YogaSpacedye Lift Your Spirits Bra
    $45.93 - $66.00
    721 reviews with an average rating of 4.7 out of 5 stars
    Bra Support:
    Medium Impact
    Support Style:
    Encapsulation
    Fabric:
    87% polyester/13% spandex
    Top Rated
    SmartwoolClassic Thermal Merino Crew Base Layer Top - Women's
    $115.00
    1149 reviews with an average rating of 4.7 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular, Plus
  • Sale Ends Sep 1
    BrooksCrossback 2.0 Sports Bra
    $45.49
    Save 30%
    compared to  $65.00
    475 reviews with an average rating of 4.0 out of 5 stars
    Bra Support:
    Medium Impact
    Support Style:
    Encapsulation
    Fabric:
    63% nylon/37% spandex spacer
    VuoriAllTheFeels Bra
    $58.00
    3 reviews with an average rating of 5.0 out of 5 stars
    Bra Support:
    Low Impact
    Support Style:
    Compression
    Fabric:
    75% recycled polyamide/25% elastane
    SmartwoolClassic Thermal Merino Base Layer Bottoms - Women's
    $110.00 - $115.00
    736 reviews with an average rating of 4.5 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular
    SmartwoolClassic Thermal Merino Base Layer Bottoms - Women's
    $81.73
    Save 28%
    compared to  $115.00
    Members use code LABORDAY2025 for an extra 20% off at REI Outlet
    247 reviews with an average rating of 4.4 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Plus, Regular
    REI OUTLET
  • Sale Ends Sep 1
    BrooksLuxe Pocket Sports Bra
    $38.49
    Save 30%
    compared to  $55.00
    14 reviews with an average rating of 4.1 out of 5 stars
    Bra Support:
    Medium Impact
    Support Style:
    Compression
    Fabric:
    Shell: 77% recycled polyester/23% spandex; cups: 58% polyurethane/42% recycled polyester
    Boody Eco WearBoyleg Briefs - Women's - Package of 2
    $22.73
    Save 18%
    compared to  $27.95
    Members use code LABORDAY2025 for an extra 20% off at REI Outlet
    10 reviews with an average rating of 3.2 out of 5 stars
    Size Type:
    Regular
    REI OUTLET
    Royal RobbinsReadyDry Cami - Women's
    $19.73
    Save 34%
    compared to  $30.00
    Members use code LABORDAY2025 for an extra 20% off at REI Outlet
    5 reviews with an average rating of 3.2 out of 5 stars
    REI OUTLET
  • Sale Ends Sep 1
    Top Rated
    REI Co-opLightweight Crew Base Layer Top - Women's
    $20.89
    Save 30%
    compared to  $29.95
    9 reviews with an average rating of 5.0 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular, Plus
    Top Rated
    IcebreakerMerino 200 Oasis Long-Sleeve Crewe Thermal Top - Women's
    $49.83 - $105.00
    135 reviews with an average rating of 4.7 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular, Plus
    Top Rated
    SmartwoolClassic Thermal Merino Quarter-Zip Base Layer Top - Women's
    $120.00
    30 reviews with an average rating of 4.8 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular, Plus
  • Sale Ends Sep 1
    Top Rated
    REI Co-opLightweight Base Layer Tights - Women's
    $27.89
    Save 30%
    compared to  $39.95
    7 reviews with an average rating of 4.6 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular, Plus
1–30 of 348 products
Sort: Best Match

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