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Smartwool Long Sleeve Men's Shirts

(37 products)
Products (37)
Remove brand filter:SmartwoolRemove sleeve-length filter:Long SleeveClear all
Sort: Best Match
    Top Rated
    SmartwoolClassic Thermal Merino Base Layer Quarter-Zip - Men's
    $89.73
    Save 25%
    compared to  $120.00
    Members use code LABORDAY26 to save an extra 20% thru 9/7.
    66 reviews with an average rating of 4.7 out of 5 stars
    REI OUTLET
    Top Rated
    SmartwoolClassic Thermal Merino Crew Base Layer Top - Men's
    $125.00
    332 reviews with an average rating of 4.7 out of 5 stars
    Top Rated
    SmartwoolClassic Thermal Merino Crew Base Layer Top - Men's
    $79.97
    Save 30%
    compared to  $115.00
    Members use code LABORDAY26 to save an extra 20% thru 9/7.
    325 reviews with an average rating of 4.7 out of 5 stars
    REI OUTLET
    Top Rated
    SmartwoolClassic All-Season Merino Long-Sleeve Base Layer Top - Men's
    $100.00
    124 reviews with an average rating of 4.6 out of 5 stars
    Top Rated
    SmartwoolClassic Thermal Merino Base Layer Hoodie - Men's
    $108.73
    Save 25%
    compared to  $145.00
    Members use code LABORDAY26 to save an extra 20% thru 9/7.
    5 reviews with an average rating of 5.0 out of 5 stars
    REI OUTLET
  • Text reads: ‘Labor Day Sale’ over a collage of R E I Co-op brand clothing and gear on a red background.

    Save up to 25% on selected REI Co‑op brand clothing & gear

    SmartwoolActive Quarter-Zip Top - Men's
    $83.93 - $130.00
    6 reviews with an average rating of 4.0 out of 5 stars
    Top Rated
    SmartwoolClassic All Season Merino Long-Sleeve Base Layer Top - Men's
    $66.73
    Save 25%
    compared to  $90.00
    Members use code LABORDAY26 to save an extra 20% thru 9/7.
    124 reviews with an average rating of 4.6 out of 5 stars
    REI OUTLET
    Top Rated
    SmartwoolClassic Thermal Merino Quarter-Zip Base Layer Top - Men's
    $130.00
    69 reviews with an average rating of 4.7 out of 5 stars
    Top Rated
    SmartwoolActive Mesh Hoodie - Men's
    $110.00
    21 reviews with an average rating of 4.7 out of 5 stars
    SmartwoolWaffle Long-Sleeve Henley - Men's
    $81.73
    Save 25%
    compared to  $110.00
    Members use code LABORDAY26 to save an extra 20% thru 9/7.
    2 reviews with an average rating of 3.5 out of 5 stars
    REI OUTLET
    SmartwoolIntraknit Thermal Merino Base Layer Hoodie - Men's
    $134.73
    Save 25%
    compared to  $180.00
    Members use code LABORDAY26 to save an extra 20% thru 9/7.
    2 reviews with an average rating of 5.0 out of 5 stars
    REI OUTLET
    SmartwoolIntraknit Thermal Max Merino Quarter-Zip Base Layer Top - Men's
    $115.73
    Save 25%
    compared to  $155.00
    Members use code LABORDAY26 to save an extra 20% thru 9/7.
    0 reviews
    REI OUTLET
    SmartwoolClassic Thermal Merino Colorblock Crew Base Layer Top - Men's
    $96.73
    Save 25%
    compared to  $130.00
    Members use code LABORDAY26 to save an extra 20% thru 9/7.
    2 reviews with an average rating of 5.0 out of 5 stars
    REI OUTLET
    SmartwoolIntraknit Thermal Merino Crew Base Layer Top - Men's
    $92.73 - $96.73
    Save 25% - 28%
    compared to  $130.00
    Members use code LABORDAY26 to save an extra 20% thru 9/7.
    140 reviews with an average rating of 4.3 out of 5 stars
    REI OUTLET
    SmartwoolIntraknit Thermal Merino Base Layer Quarter-Zip Top - Men's
    $104.73
    Save 25%
    compared to  $140.00
    Members use code LABORDAY26 to save an extra 20% thru 9/7.
    22 reviews with an average rating of 4.4 out of 5 stars
    REI OUTLET
    SmartwoolAnchor Line Shirt Jacket - Men's
    $164.73
    Save 25%
    compared to  $220.00
    Members use code LABORDAY26 to save an extra 20% thru 9/7.
    2 reviews with an average rating of 4.0 out of 5 stars
    REI OUTLET
    SmartwoolIntraknit Thermal Merino Base Layer Colorblock Crew - Men's
    $96.73
    Save 25%
    compared to  $130.00
    Members use code LABORDAY26 to save an extra 20% thru 9/7.
    17 reviews with an average rating of 4.2 out of 5 stars
    REI OUTLET
    SmartwoolEveryday Merino Long-Sleeve Pocket T-Shirt - Men's
    $59.73
    Save 25%
    compared to  $80.00
    Members use code LABORDAY26 to save an extra 20% thru 9/7.
    1 reviews with an average rating of 4.0 out of 5 stars
    REI OUTLET
    SmartwoolPerfect Crew Long-Sleeve T-Shirt - Men's
    $48.87
    Save 30%
    compared to  $70.00
    Members use code LABORDAY26 to save an extra 20% thru 9/7.
    0 reviews
    REI OUTLET
    Top Rated
    SmartwoolClassic All-Season Merino Quarter-Zip Base Layer Top - Men's
    $105.00
    12 reviews with an average rating of 4.8 out of 5 stars
    SmartwoolMerino Hemp Blend Long-Sleeve Graphic T-Shirt - Men's
    $59.87
    Save 29%
    compared to  $85.00
    Members use code LABORDAY26 to save an extra 20% thru 9/7.
    0 reviews
    REI OUTLET
    SmartwoolMerino Sport 120 Long-Sleeve Shirt - Men's
    $85.00
    11 reviews with an average rating of 3.6 out of 5 stars
    SmartwoolIntraknit Thermal Merino Crew Base Layer Top - Men's
    $150.00
    140 reviews with an average rating of 4.3 out of 5 stars
    SmartwoolIntraknit Seamless Long-Sleeve - Men's
    $130.00
    1 reviews with an average rating of 5.0 out of 5 stars
    Top Rated
    SmartwoolThermal Merino Base Layer Hoodie - Men's
    $155.00
    7 reviews with an average rating of 4.9 out of 5 stars
    SmartwoolIntraknit AS Merino Base Layer Crew Top - Men's
    $125.00
    1 reviews with an average rating of 5.0 out of 5 stars
  • Limited time only! The R E I Co-op Mastercard.

    $130 in value

    Get $30 in card rewards when approved by Sep 7. Plus, earn a $100 REI gift card after first qualifying purchase. Terms apply.

    SmartwoolIntraknit Thermal Max Merino Quarter-Zip Base Layer Top - Men's
    $155.00
    0 reviews
    SmartwoolIntraknit Thermal Merino Base Layer Hoodie - Men's
    $200.00
    3 reviews with an average rating of 5.0 out of 5 stars
    New arrival
    SmartwoolFirst Chair Pursuit Active Long-Sleeve - Men's
    $90.00
    0 reviews
    SmartwoolIntraknit Thermal Merino Colorblock Crew Base Layer Top - Men's
    $150.00
    18 reviews with an average rating of 4.2 out of 5 stars
1–30 of 37 products
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