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Briefs and Boxers

(59 products)
Products (59)
Sort: Best Match
  • Sale Ends May 25
    REI Co-opActive Hipster Underwear - Women's
    $14.89
    Save 25%
    compared to  $19.95
    42 reviews with an average rating of 3.8 out of 5 stars
    Size Type:
    Regular, Plus
  • Sale Ends May 25
    REI Co-opMerino Boxer Briefs - Men's
    $29.89
    Save 25%
    compared to  $39.95
    116 reviews with an average rating of 4.2 out of 5 stars
    Size Type:
    Regular, Big
  • Sale Ends May 25
    REI Co-opMerino Hipster Underwear - Women's
    $22.39
    Save 25%
    compared to  $29.95
    59 reviews with an average rating of 3.9 out of 5 stars
    Size Type:
    Plus, Regular
  • Sale Ends May 25
    REI Co-opMerino Boxers - Men's
    $29.89
    Save 25%
    compared to  $39.95
    82 reviews with an average rating of 4.3 out of 5 stars
    Size Type:
    Regular, Big
  • Sale Ends May 25
    REI Co-opEveryday Boxer Briefs - Men's
    $18.69
    Save 25%
    compared to  $24.95
    163 reviews with an average rating of 4.1 out of 5 stars
    Size Type:
    Regular, Big
    SaxxQuest Quick-Dry Boxer Briefs - Men's
    $34.00
    3 reviews with an average rating of 4.7 out of 5 stars
    Size Type:
    Regular, Big
    ExOfficioGNG 2.0 Hipster Briefs - Women's
    $16.73
    Save 30%
    compared to  $24.00
    424 reviews with an average rating of 3.9 out of 5 stars
    Size Type:
    Regular
    REI OUTLET
  • Sale Ends May 25
    REI Co-opEveryday Boxers - Men's
    $18.69
    Save 25%
    compared to  $24.95
    140 reviews with an average rating of 4.2 out of 5 stars
    Size Type:
    Regular, Big
  • Sale Ends May 25
    REI Co-opActive Thong Underwear - Women's
    $12.69
    Save 25%
    compared to  $16.95
    29 reviews with an average rating of 4.2 out of 5 stars
    Size Type:
    Regular, Plus
    ExOfficioEveryday Bikini Underwear - Women's
    $16.73
    Save 30%
    compared to  $24.00
    108 reviews with an average rating of 3.9 out of 5 stars
    Size Type:
    Regular
    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
    ExOfficioEveryday Boxers - Men's
    $19.73
    Save 34%
    compared to  $30.00
    0 reviews
    Size Type:
    Regular, Big
    REI OUTLET
    ExOfficioEveryday Boxer Briefs - Men's
    $19.73
    Save 34%
    compared to  $30.00
    211 reviews with an average rating of 3.9 out of 5 stars
    Size Type:
    Regular, Big
    REI OUTLET
    ExOfficioEveryday Thong - Women's
    $12.73
    Save 36%
    compared to  $20.00
    43 reviews with an average rating of 4.1 out of 5 stars
    Size Type:
    Regular
    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
  • Sale Ends May 25
    Kari TraaEmbla Wool Boxer Briefs - Women's
    $27.99
    Save 30%
    compared to  $40.00
    3 reviews with an average rating of 2.0 out of 5 stars
    Size Type:
    Regular
    StanceBrong Boxer Briefs - Men's
    $16.73
    Save 33%
    compared to  $25.00
    0 reviews
    Size Type:
    Regular
    REI OUTLET
  • Sale Ends May 25
    REI Co-opActive Bikini Underwear - Women's
    $14.89
    Save 25%
    compared to  $19.95
    57 reviews with an average rating of 3.4 out of 5 stars
    Size Type:
    Regular, Plus
    StanceBlack Tie Boxer Briefs - Men's
    $19.73
    Save 34%
    compared to  $30.00
    0 reviews
    Size Type:
    Regular
    REI OUTLET
    StanceFlower Flora Boxer Briefs - Men's
    $16.73
    Save 33%
    compared to  $25.00
    0 reviews
    Size Type:
    Regular
    REI OUTLET
    StanceStone Boxer Briefs - Men's
    $16.73
    Save 33%
    compared to  $25.00
    0 reviews
    Size Type:
    Regular
    REI OUTLET
    SmartwoolWind Boxer Briefs - Men's
    $44.73
    Save 25%
    compared to  $60.00
    0 reviews
    Size Type:
    Big
    REI OUTLET
    StanceCurren Wholester Boxer Briefs - Men's
    $19.73 - $26.73
    Save 27% - 43%
    compared to  $35.00 - $37.00
    0 reviews
    Size Type:
    Regular
    REI OUTLET
    SaxxVolt Breathable Mesh Boxer Briefs - Men's
    $26.73
    Save 23%
    compared to  $35.00
    12 reviews with an average rating of 4.2 out of 5 stars
    Size Type:
    Regular
    REI OUTLET
  • Limited time only! The R E I Co-op Mastercard.

    Get $130 in value

    When approved for the REI Co-op Mastercard by May 25, you’ll get $30 in card rewards. Plus, you can earn a $100 REI gift card after your first non-REI purchase within 60 days from account opening. Terms apply.

    ExOfficioGive-N-Go 2.0 Sport Mesh Thong Underwear - Women's
    $16.73
    Save 30%
    compared to  $24.00
    144 reviews with an average rating of 3.9 out of 5 stars
    Size Type:
    Regular
    REI OUTLET
    StanceIs It Paisley Wholester Boxer Briefs - Men's
    $24.73
    Save 29%
    compared to  $35.00
    0 reviews
    Size Type:
    Regular
    REI OUTLET
    RONHILLThong Underwear - Women's
    $12.73
    Save 48%
    compared to  $24.95
    3 reviews with an average rating of 3.7 out of 5 stars
    Size Type:
    Regular
    REI OUTLET
    StanceCheck Me Out Boxer Briefs - Men's
    $19.73
    Save 34%
    compared to  $30.00
    0 reviews
    Size Type:
    Regular
    REI OUTLET
    StanceRockford Boxer Briefs - Men's
    $18.73
    Save 30%
    compared to  $27.00
    0 reviews
    Size Type:
    Regular
    REI OUTLET
    StanceAster Boxer Briefs - Men's
    $16.73
    Save 33%
    compared to  $25.00
    0 reviews
    Size Type:
    Regular
    REI OUTLET
1–30 of 59 products
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