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Briefs and Boxers

(58 products)
Products (58)
Sort: Best Match
    REI Co-opEveryday Boxers - Men's
    $24.95
    133 reviews with an average rating of 4.2 out of 5 stars
    Size Type:
    Regular, Big
    REI Co-opMerino Boxers - Men's
    $39.95
    75 reviews with an average rating of 4.3 out of 5 stars
    Size Type:
    Regular, Big
    REI Co-opActive Hipster Underwear - Women's
    $19.95
    39 reviews with an average rating of 3.8 out of 5 stars
    Size Type:
    Regular, Plus
    REI Co-opEveryday Boxer Briefs - Men's
    $24.95
    159 reviews with an average rating of 4.2 out of 5 stars
    Size Type:
    Regular, Big
    SaxxQuest Quick-Dry Boxer Briefs - Men's
    $34.00
    0 reviews
    Size Type:
    Regular, Big
    REI Co-opActive Bikini Underwear - Women's
    $19.95
    53 reviews with an average rating of 3.4 out of 5 stars
    Size Type:
    Regular, Plus
    ExOfficioGive-N-Go 2.0 Boxer Briefs - Men's
    $19.73
    Save 34%
    compared to  $30.00
    0 reviews
    Size Type:
    Regular, Big
    REI OUTLET
    REI Co-opMerino Boxer Briefs - Men's
    $39.95
    113 reviews with an average rating of 4.2 out of 5 stars
    Size Type:
    Regular, Big
    SaxxQuest Quick-Dry Boxer Briefs - Men's - Package of 2
    $61.00
    0 reviews
    Size Type:
    Regular, Big
    REI Co-opMerino Bikini Underwear - Women's
    $27.95
    57 reviews with an average rating of 4.2 out of 5 stars
    Size Type:
    Regular, Plus
    New arrival
    SmartwoolMerino Bikini Underwear Boxed - Women's
    $35.00
    0 reviews
    Size Type:
    Regular
    SaxxQuest Boxer Briefs - Men's
    $24.73
    Save 27%
    compared to  $34.00
    4 reviews with an average rating of 4.8 out of 5 stars
    Size Type:
    Regular
    REI OUTLET
    REI Co-opMerino Hipster Underwear - Women's
    $29.95
    51 reviews with an average rating of 4.0 out of 5 stars
    Size Type:
    Regular, Plus
    SmartwoolEveryday 6" Knit Boxer Briefs - Men's
    $35.73
    Save 25%
    compared to  $48.00
    17 reviews with an average rating of 2.3 out of 5 stars
    Size Type:
    Regular
    REI OUTLET
    ExOfficioGive-N-Go Sport 2.0 Sport Mesh Bikini Briefs - Women's
    $18.73
    Save 27%
    compared to  $26.00
    489 reviews with an average rating of 4.4 out of 5 stars
    Size Type:
    Regular
    REI OUTLET
    REI Co-opActive Thong Underwear - Women's
    $6.83 - $16.95
    24 reviews with an average rating of 4.3 out of 5 stars
    Size Type:
    Regular, Plus
    ExOfficioGive-N-Go Sport Mesh 2.0 Hipster Underwear - Women's
    $18.73
    Save 27%
    compared to  $26.00
    325 reviews with an average rating of 4.3 out of 5 stars
    Size Type:
    Regular
    REI OUTLET
    ExOfficioEveryday Hipster Underwear - Women's
    $16.73
    Save 30%
    compared to  $24.00
    105 reviews with an average rating of 4.2 out of 5 stars
    Size Type:
    Regular
    REI OUTLET
    REI Co-opActive Briefs - Women's
    $19.95
    40 reviews with an average rating of 4.2 out of 5 stars
    Size Type:
    Regular, Plus
    ExOfficioGive-N-Go 2.0 Full-Cut Brief Underwear - Women's
    $16.73
    Save 30%
    compared to  $24.00
    1 reviews with an average rating of 4.0 out of 5 stars
    Size Type:
    Regular, Plus
    REI OUTLET
  • The R E I Co-op Mastercard. Earn 15% total R E I rewards.

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



    Terms apply
    New arrival
    ExOfficioGive-N-Go 2.0 Thong Underwear - Women's
    $12.73
    Save 29%
    compared to  $18.00
    0 reviews
    Size Type:
    Regular
    REI OUTLET
    ExOfficioGive-N-Go 2.0 Bikini Briefs - Women's
    $14.73
    Save 26%
    compared to  $20.00
    1895 reviews with an average rating of 4.4 out of 5 stars
    Size Type:
    Regular, Plus
    REI OUTLET
    StanceGood Times Boxer Briefs - Men's - Package of 2
    $29.73
    Save 33%
    compared to  $45.00
    1 reviews with an average rating of 5.0 out of 5 stars
    Size Type:
    Regular
    REI OUTLET
    Boody Eco WearG-String Thong Underwear - Women's - Package of 2
    $22.73
    Save 18%
    compared to  $27.95
    10 reviews with an average rating of 4.4 out of 5 stars
    Size Type:
    Regular
    REI OUTLET
    SaxxVolt Breathable Mesh Boxer Briefs - Men's
    $26.73
    Save 23%
    compared to  $35.00
    8 reviews with an average rating of 4.3 out of 5 stars
    Size Type:
    Regular, Big
    REI OUTLET
    Free FlyElevate Boxer Briefs - Men's
    $28.73
    Save 24%
    compared to  $38.00
    63 reviews with an average rating of 4.0 out of 5 stars
    Size Type:
    Regular, Big
    REI OUTLET
    Top Rated
    ExOfficioGive-N-Go 2.0 Boxer Briefs - Men's
    $22.73
    Save 24%
    compared to  $30.00
    2973 reviews with an average rating of 4.5 out of 5 stars
    Size Type:
    Regular
    REI OUTLET
    ExOfficioGive-N-Go 2.0 Sport Mesh Thong Underwear - Women's
    $16.73
    Save 30%
    compared to  $24.00
    54 reviews with an average rating of 4.0 out of 5 stars
    Size Type:
    Regular
    REI OUTLET
    SaxxVibe Xtra Soft Comfort Boxer Briefs - Men's
    $24.73
    Save 27%
    compared to  $34.00
    1 reviews with an average rating of 5.0 out of 5 stars
    Size Type:
    Regular
    REI OUTLET
    StanceRockford Wholester Boxer Briefs - Men's
    $24.73
    Save 29%
    compared to  $35.00
    0 reviews
    Size Type:
    Regular
    REI OUTLET
1–30 of 58 products
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