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Merino Wool Running

(109 products)
Products (109)
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  • Sale Ends May 25
    Top Rated
    SmartwoolPerformance Run Targeted Cushion Low Ankle Socks - Women's
    $14.19
    Save 25%
    compared to  $19.00
    125 reviews with an average rating of 4.7 out of 5 stars
    Top Rated
    BalegaBalega Blister Resist No-Show Tab Socks
    $15.73
    Save 25%
    compared to  $21.00
    71 reviews with an average rating of 4.6 out of 5 stars
    REI OUTLET
    Top Rated
    IcebreakerMultisport Light Micro Socks - Women's
    $14.73
    Save 22%
    compared to  $19.00
    109 reviews with an average rating of 4.5 out of 5 stars
    REI OUTLET
  • Sale Ends May 25
    Top Rated
    SmartwoolPerformance Run Targeted Cushion Ankle Socks - Men's
    $15.69
    Save 25%
    compared to  $21.00
    74 reviews with an average rating of 4.6 out of 5 stars
    Darn ToughRun No-Show Tab Ultralightweight Cushion Socks - Women's
    $19.00
    63 reviews with an average rating of 4.5 out of 5 stars
  • Text reads: ‘Anniversary Sale 2026. 25% off’ over a collage of R E I Co-op Swiftland running clothing, gear, and accessories.

    Save 25% on all REI Co-op Swiftland running clothing, hydration vests & accessories

    Top Rated
    SmartwoolSmartloft Hybrid Insulated Jacket - Men's
    $125.83
    Save 40%
    compared to  $210.00
    22 reviews with an average rating of 4.6 out of 5 stars
  • Sale Ends May 25
    REI Co-opMerino Wool Liner Gloves 2.0
    $22.39
    Save 25%
    compared to  $29.95
    215 reviews with an average rating of 4.4 out of 5 stars
  • Sale Ends May 25
    SmartwoolActive T-Shirt - Men's
    $56.19
    Save 25%
    compared to  $75.00
    4 reviews with an average rating of 4.8 out of 5 stars
    Darn ToughRun No-Show Tab Ultralightweight Socks - Women's
    $18.00
    54 reviews with an average rating of 4.4 out of 5 stars
    SmartwoolActive Ultralite Long-Sleeve T-Shirt - Men's
    $59.73
    Save 25%
    compared to  $80.00
    13 reviews with an average rating of 3.2 out of 5 stars
    REI OUTLET
  • Sale Ends May 25
    SmartwoolActive Ultralite Crop Tank Top - Women's
    $48.69
    Save 25%
    compared to  $65.00
    0 reviews
    Darn ToughRun Quarter Ultra-Lightweight Cushion Socks - Women's
    $20.00
    29 reviews with an average rating of 4.4 out of 5 stars
  • Sale Ends May 25
    Top Rated
    SmartwoolActive Mesh Hoodie - Men's
    $82.49
    Save 25%
    compared to  $110.00
    13 reviews with an average rating of 5.0 out of 5 stars
  • Sale Ends May 25
    SmartwoolActive Ultralite T-Shirt - Women's
    $52.49
    Save 25%
    compared to  $70.00
    28 reviews with an average rating of 3.6 out of 5 stars
  • Sale Ends May 25
    Top Rated
    SmartwoolPerformance Run Targeted Cushion Low Ankle Socks - Men's
    $14.19
    Save 25%
    compared to  $19.00
    112 reviews with an average rating of 4.5 out of 5 stars
  • Sale Ends May 25
    Top Rated
    SmartwoolPerformance Run Targeted Cushion Ankle Socks - Women's
    $15.69
    Save 25%
    compared to  $21.00
    61 reviews with an average rating of 4.7 out of 5 stars
    Top Rated
    Darn ToughRun Quarter Ultralightweight Cushion Socks - Men's
    $20.00
    61 reviews with an average rating of 4.8 out of 5 stars
    SmartwoolActive Ultralite Hoodie - Women's
    $62.73
    Save 26%
    compared to  $85.00
    20 reviews with an average rating of 3.9 out of 5 stars
    REI OUTLET
    Darn ToughRun No-Show Tab Ultralightweight Socks - Men's
    $18.00
    29 reviews with an average rating of 4.3 out of 5 stars
    AltraAltra x Smartwool Escalante 4 Road-Running Shoes - Women's
    $111.93
    Save 25%
    compared to  $150.00
    15 reviews with an average rating of 4.3 out of 5 stars
  • Sale Ends May 25
    SmartwoolPerformance Run Zero Cushion No-Show Socks - Women's
    $13.49
    Save 25%
    compared to  $18.00
    0 reviews
    Top Rated
    Darn ToughRun No-Show Tab Ultralightweight Cushion Socks - Men's
    $19.00
    69 reviews with an average rating of 4.6 out of 5 stars
  • Sale Ends May 25
    SmartwoolRun Zero Cushion Ankle Socks - Women's
    $14.99
    Save 25%
    compared to  $20.00
    12 reviews with an average rating of 4.3 out of 5 stars
  • Sale Ends May 25
    Top Rated
    SmartwoolPerformance Run Zero Cushion Ankle Socks - Men's
    $14.99
    Save 25%
    compared to  $20.00
    85 reviews with an average rating of 4.5 out of 5 stars
  • Sale Ends May 25
    Top Rated
    SmartwoolPerformance Run Zero Cushion Ombre Print Low Ankle Socks - Women's
    $13.49
    Save 25%
    compared to  $18.00
    24 reviews with an average rating of 4.9 out of 5 stars
    Darn ToughRun Micro Crew Ultralight Socks - Men's
    $21.00
    4 reviews with an average rating of 4.3 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.

    SmartwoolActive Lined 4" Shorts - Women's
    $54.73
    Save 27%
    compared to  $75.00
    0 reviews
    REI OUTLET
  • Sale Ends May 25
    SmartwoolActive Mesh T-Shirt - Men's
    $63.69
    Save 25%
    compared to  $85.00
    1 reviews with an average rating of 5.0 out of 5 stars
  • Sale Ends May 25
    SmartwoolActive Lined 4" Shorts - Women's
    $56.19
    Save 25%
    compared to  $75.00
    0 reviews
    LorpenPro Ultra Run Shorty Socks
    $16.73
    Save 27%
    compared to  $22.99
    0 reviews
    REI OUTLET
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