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Briefs and Boxers

(42 products)
Products (42)
Sort: Best Match
    REI Co-opMerino Boxer Briefs - Men's
    $39.95
    114 reviews with an average rating of 4.2 out of 5 stars
    Size Type:
    Regular, Big
    REI Co-opMerino Hipster Underwear - Women's
    $29.95
    54 reviews with an average rating of 3.9 out of 5 stars
    Size Type:
    Regular, Plus
    REI Co-opMerino Bikini Underwear - Women's
    $27.95
    59 reviews with an average rating of 4.2 out of 5 stars
    Size Type:
    Regular, Plus
    SaxxQuest Quick-Dry Boxer Briefs - Men's
    $34.00
    0 reviews
    Size Type:
    Regular, Big
    REI Co-opMerino Boxers - Men's
    $39.95
    79 reviews with an average rating of 4.3 out of 5 stars
    Size Type:
    Regular, Big
    REI Co-opActive Briefs - Women's
    $19.95
    42 reviews with an average rating of 4.2 out of 5 stars
    Size Type:
    Regular, Plus
    New arrival
    SmartwoolMerino Boxer Briefs - Boxed - Men's
    $50.00
    0 reviews
    Size Type:
    Regular, Big
    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
    REI Co-opEveryday Boxers - Men's
    $24.95
    135 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
    ExOfficioEveryday Hipster Underwear - Women's
    $16.73
    Save 30%
    compared to  $24.00
    106 reviews with an average rating of 4.2 out of 5 stars
    Size Type:
    Regular
    REI OUTLET
    New arrival
    SmartwoolIntraknit Boxer Briefs - Boxed - Men's
    $55.00
    0 reviews
    Size Type:
    Regular, Big
    REI Co-opActive Thong Underwear - Women's
    $6.83 - $16.95
    28 reviews with an average rating of 4.4 out of 5 stars
    Size Type:
    Regular, Plus
    REI Co-opActive Bikini Underwear - Women's
    $19.95
    55 reviews with an average rating of 3.4 out of 5 stars
    Size Type:
    Regular, Plus
    REI Co-opActive Hipster Underwear - Women's
    $19.95
    40 reviews with an average rating of 3.9 out of 5 stars
    Size Type:
    Regular, Plus
    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
    New arrival
    Royal RobbinsReadyDry Boxers - Men's
    $19.73
    Save 29%
    compared to  $28.00
    0 reviews
    Size Type:
    Regular, Big
    REI OUTLET
    Top Rated
    ExOfficio9" GNG Sport 2.0 Boxer Briefs - Men's
    $24.73
    Save 27%
    compared to  $34.00
    536 reviews with an average rating of 4.7 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
    136 reviews with an average rating of 3.9 out of 5 stars
    Size Type:
    Regular
    REI OUTLET
    SmartwoolMerino Bikini Underwear - Boxed - Women's
    $35.00
    1 reviews with an average rating of 5.0 out of 5 stars
    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
    Top Rated
    ExOfficioGive-N-Go 2.0 Thong Underwear - Women's
    $12.73
    Save 29%
    compared to  $18.00
    64 reviews with an average rating of 4.7 out of 5 stars
    Size Type:
    Regular
    REI OUTLET
    New arrival
    SmartwoolWind Boxer Briefs - Men's
    $44.73
    Save 25%
    compared to  $60.00
    0 reviews
    Size Type:
    Big
    REI OUTLET
    StanceCompression Nylon Boxer Briefs - Men's
    $26.73
    Save 31%
    compared to  $39.00
    2 reviews with an average rating of 5.0 out of 5 stars
    Size Type:
    Regular
    REI OUTLET
    StanceGood Times Boxer Briefs - Men's - Package of 2
    $26.73
    Save 40%
    compared to  $45.00
    2 reviews with an average rating of 5.0 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
    StanceCurren Boxer Briefs - Men's
    $17.73
    Save 40%
    compared to  $30.00
    1 reviews with an average rating of 5.0 out of 5 stars
    Size Type:
    Regular
    REI OUTLET
    Kari TraaEmbla Wool Boxer Briefs - Women's
    $40.00
    3 reviews with an average rating of 2.0 out of 5 stars
    Size Type:
    Regular
    StancePedlz Fallin Boxer Briefs - Men's
    $16.73
    Save 44%
    compared to  $30.00
    0 reviews
    Size Type:
    Regular
    REI OUTLET
    RONHILLThong Underwear - Women's
    $14.73
    Save 40%
    compared to  $24.95
    2 reviews with an average rating of 3.0 out of 5 stars
    Size Type:
    Regular
    REI OUTLET
    StanceSlipping Wholester Boxer Briefs - Men's
    $24.73
    Save 29%
    compared to  $35.00
    0 reviews
    Size Type:
    Regular
    REI OUTLET
1–30 of 42 products
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