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Men's Fitness Clothing

(510 products)
Products (510)
Sort: Best Match
    PatagoniaCapilene Cool Daily Graphic T-Shirt - Men's
    $59.00
    12 reviews with an average rating of 4.2 out of 5 stars
    Top Rated
    PatagoniaCapilene Cool Ultra Shirt - Men's
    $59.00
    8 reviews with an average rating of 4.8 out of 5 stars
  • Sale Ends May 25
    Top Rated
    REI Co-opActive Pursuits T-Shirt - Men's
    $26.19
    Save 25%
    compared to  $34.95
    189 reviews with an average rating of 4.5 out of 5 stars
  • Sale Ends May 25
    Top Rated
    REI Co-opActive Pursuits Long-Sleeve T-Shirt - Men's
    $29.89
    Save 25%
    compared to  $39.95
    131 reviews with an average rating of 4.7 out of 5 stars
    PatagoniaCapilene Cool Daily Long-Sleeve Shirt - Men's
    $59.00
    0 reviews
  • Text reads: ‘Anniversary Sale 2026. 25% off’ over a collage of R E I Co-op brand clothing and gear.

    Save 25% on all REI Co-op brand clothing & gear

    REI Co-opActive Pursuits Long-Sleeve Quarter-Zip Pullover - Men's
    $34.93 - $41.19
    Save 25% - 30%
    compared to  $49.95 - $54.95
    50 reviews with an average rating of 4.5 out of 5 stars
  • Sale Ends May 25
    Top Rated
    REI Co-opSwiftland Long-Sleeve Running T-Shirt - Men's
    $37.39
    Save 25%
    compared to  $49.95
    162 reviews with an average rating of 4.5 out of 5 stars
  • Sale Ends May 25
    Top Rated
    REI Co-opActive Pursuits 7" Shorts - Men's
    $33.69
    Save 25%
    compared to  $44.95
    81 reviews with an average rating of 4.7 out of 5 stars
    REI Co-opSwiftland 7" Running Shorts - Men's
    $17.83 - $48.69
    Save 25% - 70%
    compared to  $59.95 - $64.95
    42 reviews with an average rating of 4.3 out of 5 stars
  • Sale Ends May 25
    Top Rated
    REI Co-opSwiftland Running T-Shirt - Men's
    $33.69
    Save 25%
    compared to  $44.95
    179 reviews with an average rating of 4.7 out of 5 stars
  • Sale Ends May 25
    Top Rated
    REI Co-opActive Pursuits Pants - Men's
    $52.39
    Save 25%
    compared to  $69.95
    21 reviews with an average rating of 4.8 out of 5 stars
  • Sale Ends May 25
    Top Rated
    REI Co-opSwiftland Hybrid Running Pants - Men's
    $67.39
    Save 25%
    compared to  $89.95
    111 reviews with an average rating of 4.7 out of 5 stars
    REI Co-opSwiftland 5" Running Shorts - Men's
    $17.83 - $48.69
    Save 25% - 70%
    compared to  $59.95 - $64.95
    32 reviews with an average rating of 4.2 out of 5 stars
    Top Rated
    RoarkBless Up Trail Shirt - Men's
    $43.83 - $74.19
    Save 25% - 50%
    compared to  $89.00 - $99.00
    10 reviews with an average rating of 4.9 out of 5 stars
  • Sale Ends May 25
    SmartwoolActive Ultralite T-Shirt - Men's
    $52.49
    Save 25%
    compared to  $70.00
    24 reviews with an average rating of 3.6 out of 5 stars
  • Sale Ends May 25
    Top Rated
    REI Co-opSwiftland Grid Running T-Shirt - Men's
    $37.39
    Save 25%
    compared to  $49.95
    19 reviews with an average rating of 4.6 out of 5 stars
    Top Rated
    Free FlyElevate Lightweight Hoodie - Men's
    $56.73
    Save 27%
    compared to  $78.00
    25 reviews with an average rating of 4.8 out of 5 stars
    REI OUTLET
    PatagoniaTerrebonne Joggers - Men's
    $73.93 - $99.00
    33 reviews with an average rating of 4.2 out of 5 stars
    Top Rated
    VuoriPonto Shorts - Men's
    $45.83 - $84.00
    254 reviews with an average rating of 4.7 out of 5 stars
    Top Rated
    VuoriKore Lined Shorts - Men's 7" Inseam
    $78.00
    373 reviews with an average rating of 4.6 out of 5 stars
    PatagoniaHoudini Jacket - Men's
    $86.93 - $119.00
    319 reviews with an average rating of 4.4 out of 5 stars
  • Sale Ends May 25
    Top Rated
    JanjiRun All Day Tank Top - Men's
    $43.49 - $47.99
    Save 25%
    compared to  $58.00 - $64.00
    5 reviews with an average rating of 5.0 out of 5 stars
  • Sale Ends May 25
    Top Rated
    BrooksDash 6" 2-in-1 Shorts - Men's
    $41.19
    Save 25%
    compared to  $55.00
    21 reviews with an average rating of 4.6 out of 5 stars
    Top Rated
    Free FlyElevate Lightweight Long-Sleeve Shirt - Men's
    $54.73
    Save 26%
    compared to  $74.00
    26 reviews with an average rating of 4.9 out of 5 stars
    REI OUTLET
    Top Rated
    PatagoniaCapilene Cool Sun Hoody - Men's
    $89.00
    8 reviews with an average rating of 4.5 out of 5 stars
  • Sale Ends May 25
    Top Rated
    JanjiRun All Day T-Shirt - Men's
    $47.99 - $52.49
    Save 25%
    compared to  $64.00 - $70.00
    19 reviews with an average rating of 4.5 out of 5 stars
  • 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.

    REI Co-opActive Pursuits Midweight Pullover Crew
    $20.83 - $59.93
    Save 25% - 70%
    compared to  $69.95 - $79.95
    28 reviews with an average rating of 4.5 out of 5 stars
  • Sale Ends May 25
    REI Co-opSwiftland Windshell Running Jacket - Men's
    $67.39
    Save 25%
    compared to  $89.95
    16 reviews with an average rating of 3.5 out of 5 stars
  • Sale Ends May 25
    Top Rated
    BrooksDash T-Shirt - Men's
    $33.69 - $37.49
    Save 20% - 25%
    compared to  $45.00 - $50.00
    39 reviews with an average rating of 4.7 out of 5 stars
    VuoriStrato Tech T-Shirt - Men's
    $45.93 - $58.00
    351 reviews with an average rating of 4.5 out of 5 stars
1–30 of 510 products
Sort: Best Match