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Blue Men's Underwear

(64 products)
Products (64)
Sort: Best Match
    Top Rated
    REI Co-opMidweight Long-Sleeve Base Layer Top - Men's
    $19.83 - $34.93
    Save 36% - 63%
    compared to  $54.95
    217 reviews with an average rating of 4.6 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular, Big, Tall
    Top Rated
    REI Co-opMidweight Base Layer Bottoms - Men's
    $34.93
    Save 36%
    compared to  $54.95
    107 reviews with an average rating of 4.5 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular, Big, Tall
    Top Rated
    REI Co-opMidweight Base Layer Half-Zip Top - Men's
    $39.93
    Save 33%
    compared to  $59.95
    198 reviews with an average rating of 4.7 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular, Big, Tall
    Top Rated
    SaxxQuest Quick-Dry Boxer Briefs - Men's - Package of 2
    $61.00 - $66.00
    20 reviews with an average rating of 4.8 out of 5 stars
    Size Type:
    Regular, Big
    SaxxQuest Quick-Dry Boxer Briefs - Men's
    $34.00 - $36.00
    20 reviews with an average rating of 4.3 out of 5 stars
    Size Type:
    Regular, Big
    Top Rated
    SmartwoolClassic Thermal Merino Crew Base Layer Top - Men's
    $125.00
    329 reviews with an average rating of 4.7 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular, Big
    REI Co-opMerino Boxers - Men's
    $39.95
    87 reviews with an average rating of 4.4 out of 5 stars
    Size Type:
    Regular, Big
    StanceFlower Flora Boxer Briefs - Men's
    $16.73
    Save 33%
    compared to  $25.00
    Members use code OUT4JUL26 for $20 off $100+ at REI Outlet thru 7/6.
    0 reviews
    Size Type:
    Regular
    REI OUTLET
    Top Rated
    PatagoniaCapilene Midweight Crew Base Layer Top - Men's
    $52.83
    Save 40%
    compared to  $89.00
    94 reviews with an average rating of 4.5 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular, Big
    Top Rated
    Arc'teryxRho LT Crew Neck Base Layer Top - Men's
    $75.93 - $100.00
    49 reviews with an average rating of 4.8 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular, Big
    Top Rated
    SmartwoolClassic Thermal Merino Crew Base Layer Top - Men's
    $84.73
    Save 26%
    compared to  $115.00
    Members use code OUT4JUL26 for $20 off $100+ at REI Outlet thru 7/6.
    325 reviews with an average rating of 4.7 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular, Big
    REI OUTLET
    Top Rated
    SmartwoolClassic Thermal Merino Base Layer Quarter-Zip - Men's
    $89.73
    Save 25%
    compared to  $120.00
    Members use code OUT4JUL26 for $20 off $100+ at REI Outlet thru 7/6.
    65 reviews with an average rating of 4.7 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular, Big
    REI OUTLET
    PatagoniaCapilene Midweight Zip-Neck Base Layer Top - Men's
    $58.83
    Save 40%
    compared to  $99.00
    82 reviews with an average rating of 4.4 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular, Big
    REI Co-opEveryday Boxers - Men's
    $24.95
    146 reviews with an average rating of 4.2 out of 5 stars
    Size Type:
    Regular, Big
    StanceBotanical Bliss Wholester Boxer Briefs - Men's
    $24.73
    Save 29%
    compared to  $35.00
    Members use code OUT4JUL26 for $20 off $100+ at REI Outlet thru 7/6.
    0 reviews
    Size Type:
    Regular
    REI OUTLET
    SmartwoolIntraknit Thermal Merino Crew Base Layer Top - Men's
    $59.83 - $150.00
    139 reviews with an average rating of 4.3 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular, Big
    tasc PerformanceElevation Merino T-Shirt - Men's
    $44.73
    Save 43%
    compared to  $79.00
    Members use code OUT4JUL26 for $20 off $100+ at REI Outlet thru 7/6.
    57 reviews with an average rating of 4.4 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Big, Regular
    REI OUTLET
    Top Rated
    Arc'teryxRho LT Zip-Neck Base Layer Top - Men's
    $96.93 - $120.00
    111 reviews with an average rating of 4.5 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular, Big
    Top Rated
    SmartwoolClassic Thermal Merino Base Layer Bottoms - Men's
    $125.00
    221 reviews with an average rating of 4.5 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular, Big
    StanceCompression Nylon Boxer Briefs - Men's
    $26.73
    Save 31%
    compared to  $39.00
    Members use code OUT4JUL26 for $20 off $100+ at REI Outlet thru 7/6.
    3 reviews with an average rating of 4.3 out of 5 stars
    Size Type:
    Regular
    REI OUTLET
    tasc PerformanceElevation Merino Base Layer Bottoms - Men's
    $44.73
    Save 43%
    compared to  $79.00
    Members use code OUT4JUL26 for $20 off $100+ at REI Outlet thru 7/6.
    44 reviews with an average rating of 3.9 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Big, Regular
    REI OUTLET
    Top Rated
    SmartwoolClassic Thermal Merino Quarter-Zip Base Layer Top - Men's
    $130.00
    67 reviews with an average rating of 4.7 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular, Big
    Top Rated
    SmartwoolClassic All-Season Merino Long-Sleeve Base Layer Top - Men's
    $100.00
    104 reviews with an average rating of 4.6 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular, Big
    SmartwoolClassic All-Season Merino T-Shirt - Men's
    $95.00
    129 reviews with an average rating of 4.0 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular, Big
    StanceCheck Me Out Boxer Briefs - Men's
    $19.73
    Save 34%
    compared to  $30.00
    Members use code OUT4JUL26 for $20 off $100+ at REI Outlet thru 7/6.
    0 reviews
    Size Type:
    Regular
    REI OUTLET
    SmartwoolIntraknit Thermal Merino Base Layer Colorblock Crew - Men's
    $96.73
    Save 25%
    compared to  $130.00
    Members use code OUT4JUL26 for $20 off $100+ at REI Outlet thru 7/6.
    4 reviews with an average rating of 4.3 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular, Big
    REI OUTLET
    Top Rated
    SmartwoolClassic All Season Merino Long-Sleeve Base Layer Top - Men's
    $66.73
    Save 25%
    compared to  $90.00
    Members use code OUT4JUL26 for $20 off $100+ at REI Outlet thru 7/6.
    19 reviews with an average rating of 4.7 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular, Big
    REI OUTLET
    ExOfficioEveryday Boxer Briefs - Men's
    $19.73
    Save 34%
    compared to  $30.00
    Members use code OUT4JUL26 for $20 off $100+ at REI Outlet thru 7/6.
    213 reviews with an average rating of 3.9 out of 5 stars
    Size Type:
    Regular, Big
    REI OUTLET
    REI Co-opMerino Boxer Briefs - Men's
    $39.95
    118 reviews with an average rating of 4.2 out of 5 stars
    Size Type:
    Regular, Big
    SmartwoolClassic Thermal Merino Colorblock Crew Base Layer Top - Men's
    $96.73
    Save 25%
    compared to  $130.00
    Members use code OUT4JUL26 for $20 off $100+ at REI Outlet thru 7/6.
    2 reviews with an average rating of 5.0 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular, Big
    REI OUTLET
Sort: Best Match

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