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Underwear: Deals

(293 products)
Products (293)
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    ExOfficioGive-N-Go 2.0 Bikini Briefs - Women's
    $12.73
    Save 36%
    compared to  $20.00
    1938 reviews with an average rating of 4.4 out of 5 stars
    Size Type:
    Regular, Plus
    REI OUTLET
    ExOfficioGNG 2.0 Hipster Briefs - Women's
    $16.73
    Save 30%
    compared to  $24.00
    421 reviews with an average rating of 3.9 out of 5 stars
    Size Type:
    Regular
    REI OUTLET
    ExOfficioGive-N-Go 2.0 Full-Cut Brief Underwear - Women's
    $16.73
    Save 30%
    compared to  $24.00
    969 reviews with an average rating of 4.3 out of 5 stars
    Size Type:
    Regular, Plus
    REI OUTLET
    ExOfficioGive-N-Go Sport Mesh 2.0 Hipster Underwear - Women's
    $16.73
    Save 35%
    compared to  $26.00
    332 reviews with an average rating of 4.3 out of 5 stars
    Size Type:
    Regular
    REI OUTLET
    New arrival
    ExOfficioEveryday Bralette
    $26.73
    Save 33%
    compared to  $40.00
    99 reviews with an average rating of 4.2 out of 5 stars
    Bra Support:
    Low Impact
    Support Style:
    Compression
    Fabric:
    95% viscose/5% elastane jersey
    REI OUTLET
    Panache SportEndurance Wired Sports Bra
    $57.93 - $88.00
    13 reviews with an average rating of 4.3 out of 5 stars
    Bra Support:
    High Impact
    Support Style:
    Encapsulation
    Fabric:
    49% polyamide/29% polyester/19% LYCRA Adaptiv/2% TACTEL/1% elastane
    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
    ExOfficioGive-N-Go Sport 2.0 Sport Mesh Bikini Briefs - Women's
    $16.73
    Save 35%
    compared to  $26.00
    493 reviews with an average rating of 4.4 out of 5 stars
    Size Type:
    Regular
    REI OUTLET
    REI Co-opHeavyweight Merino Base Layer Half-Zip Top - Men's
    $49.83 - $104.95
    32 reviews with an average rating of 4.3 out of 5 stars
    Underwear Weight:
    Heavyweight
    Size Type:
    Regular, Big, Tall
    Top Rated
    ExOfficioGive-N-Go 2.0 Boxer Briefs - Men's
    $19.73
    Save 34%
    compared to  $30.00
    988 reviews with an average rating of 4.6 out of 5 stars
    Size Type:
    Regular, Big
    REI OUTLET
    Top Rated
    ExOfficio6" GNG Sport 2.0 Boxer Briefs - Men's
    $21.73
    Save 32%
    compared to  $32.00
    1212 reviews with an average rating of 4.5 out of 5 stars
    Size Type:
    Regular
    REI OUTLET
    ExOfficioEveryday Bikini Underwear - Women's
    $16.73
    Save 30%
    compared to  $24.00
    107 reviews with an average rating of 3.9 out of 5 stars
    Size Type:
    Regular
    REI OUTLET
    SmartwoolWind Boxer Briefs - Men's
    $44.73
    Save 25%
    compared to  $60.00
    0 reviews
    Size Type:
    Regular, Big
    REI OUTLET
    Top Rated
    REI Co-opMerino 185 Long-Sleeve Half-Zip Base Layer Top - Men's
    $44.83 - $89.95
    133 reviews with an average rating of 4.5 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular, Big
    prAnaSculpt Deep Breath Bra
    $39.73
    Save 32%
    compared to  $59.00
    3 reviews with an average rating of 2.3 out of 5 stars
    Bra Support:
    Low Impact
    Support Style:
    Compression / Encapsulation
    Fabric:
    84% recycled polyester/16% elastane
    REI OUTLET
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    ExOfficioGive-N-Go 2.0 Sport Mesh Thong Underwear - Women's
    $16.73
    Save 30%
    compared to  $24.00
    142 reviews with an average rating of 3.9 out of 5 stars
    Size Type:
    Regular
    REI OUTLET
    ExOfficioEveryday Briefs - Men's
    $16.73
    Save 35%
    compared to  $26.00
    280 reviews with an average rating of 4.1 out of 5 stars
    Size Type:
    Regular, Big
    REI OUTLET
    Top Rated
    prAnaHeavana Racerback Bralette
    $46.73
    Save 28%
    compared to  $65.00
    44 reviews with an average rating of 4.5 out of 5 stars
    Bra Support:
    Medium Impact
    Support Style:
    Compression / Encapsulation
    Fabric:
    87% recycled polyester/13% elastane
    REI OUTLET
    StanceTiki Tides Boxer Briefs - Men's
    $16.73
    Save 33%
    compared to  $25.00
    1 reviews with an average rating of 5.0 out of 5 stars
    Size Type:
    Regular
    REI OUTLET
    Top Rated
    REI Co-opMidweight Base Layer Bottoms - Toddlers'
    $17.93
    Save 28%
    compared to  $24.95
    9 reviews with an average rating of 4.8 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular
  • The R E I Co-op Mastercard. Earn 15% total R E I rewards.

    Earn 15% in total rewards

    Get 5% on all REI Co-op purchases plus the 10% Co-op Member Reward you earn on eligible full-price purchases.



    Terms apply
    SmartwoolClassic All-Season Merino Long-Sleeve Base Layer Top - Women's
    $53.83 - $100.00
    92 reviews with an average rating of 4.4 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular, Plus
    Top Rated
    prAnaLuxara High-Neck Bra
    $39.73
    Save 31%
    compared to  $58.00
    16 reviews with an average rating of 4.5 out of 5 stars
    Bra Support:
    Low Impact
    Support Style:
    Compression / Encapsulation
    Fabric:
    Black: 76% recycled nylon/24% LYCRA elastane; all other colors: 76% recycled nylon/24% elastane
    REI OUTLET
    Top Rated
    ExOfficioGive-N-Go 2.0 Thong Underwear - Women's
    $11.73
    Save 34%
    compared to  $18.00
    69 reviews with an average rating of 4.8 out of 5 stars
    Size Type:
    Regular
    REI OUTLET
    prAnaHeavana Halter Top - Women's
    $39.73
    Save 31%
    compared to  $58.00
    18 reviews with an average rating of 3.8 out of 5 stars
    Bra Support:
    Low Impact
    Support Style:
    Compression / Encapsulation
    Fabric:
    87% recycled polyester/13% elastane
    REI OUTLET
    prAnaSculpt Adjustable Cami Bra
    $48.73
    Save 29%
    compared to  $69.00
    0 reviews
    Bra Support:
    Low Impact
    Support Style:
    Compression / Encapsulation
    Fabric:
    84% recycled polyester/16% elastane
    REI OUTLET
    ExOfficioEveryday Boxer Briefs - Men's
    $19.73
    Save 34%
    compared to  $30.00
    209 reviews with an average rating of 3.9 out of 5 stars
    Size Type:
    Regular, Big
    REI OUTLET
    prAnaTornado Bra
    $44.73
    Save 30%
    compared to  $64.00
    69 reviews with an average rating of 4.3 out of 5 stars
    Bra Support:
    Low Impact
    Support Style:
    Compression / Encapsulation
    Fabric:
    90% organic cotton/10% elastane
    REI OUTLET
    Top Rated
    REI Co-opMidweight Base Layer Bottoms - Kids'
    $25.93
    Save 25%
    compared to  $34.95
    14 reviews with an average rating of 4.7 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular
    Top Rated
    SmartwoolClassic Thermal Merino Crew Base Layer Top - Women's
    $68.83 - $125.00
    1221 reviews with an average rating of 4.7 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular, Plus
    Top Rated
    REI Co-opHeavyweight Merino Base Layer Half-Zip Top - Women's
    $51.83 - $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 293 products
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