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Men's Base Layers: Deals

(55 products)
Products (55)
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    Top Rated
    REI Co-opMidweight Long-Sleeve Base Layer Top - Men's
    $37.93 - $54.95
    192 reviews with an average rating of 4.6 out of 5 stars
    REI Co-opMerino 185 Base Layer Bottoms - Men's
    $55.93 - $79.95
    158 reviews with an average rating of 4.2 out of 5 stars
    Top Rated
    REI Co-opMidweight Base Layer Half-Zip Top - Men's
    $41.93 - $59.95
    175 reviews with an average rating of 4.6 out of 5 stars
    Top Rated
    REI Co-opHeavyweight Merino Base Layer Bottoms - Men's
    $69.93 - $99.95
    17 reviews with an average rating of 4.8 out of 5 stars
    REI Co-opHeavyweight Merino Long-Sleeve Base Layer Crew Top - Men's
    $69.93 - $99.95
    39 reviews with an average rating of 4.4 out of 5 stars
    Top Rated
    REI Co-opMerino 185 Long-Sleeve Half-Zip Base Layer Top - Men's
    $62.93 - $89.95
    120 reviews with an average rating of 4.5 out of 5 stars
    REI Co-opHeavyweight Merino Base Layer Half-Zip Top - Men's
    $72.93 - $104.95
    24 reviews with an average rating of 4.1 out of 5 stars
    Top Rated
    REI Co-opLightweight Crew Base Layer Top - Men's
    $14.83 - $34.95
    26 reviews with an average rating of 4.6 out of 5 stars
    Top Rated
    Arc'teryxRho Insulated 3/4 Base Layer Bottoms - Men's
    $159.73
    Save 20%
    compared to  $200.00
    13 reviews with an average rating of 4.6 out of 5 stars
    REI OUTLET
    Arc'teryxRho LT Base Layer Bottoms - Men's
    $79.73
    Save 20%
    compared to  $100.00
    11 reviews with an average rating of 3.9 out of 5 stars
    REI OUTLET
    tasc PerformanceElevation Merino Base Layer Bottoms - Men's
    $34.73 - $54.73
    Save 30% - 56%
    compared to  $79.00
    41 reviews with an average rating of 4.0 out of 5 stars
    REI OUTLET
    tasc PerformanceElevation Merino T-Shirt - Men's
    $34.73 - $54.73
    Save 30% - 56%
    compared to  $79.00
    51 reviews with an average rating of 4.4 out of 5 stars
    REI OUTLET
    Top Rated
    SmartwoolClassic All-Season Merino Long-Sleeve Base Layer Top - Men's
    $66.93 - $100.00
    99 reviews with an average rating of 4.5 out of 5 stars
    Free CountryCloud Knit Crewneck Base Layer Top - Men's
    $26.73
    Save 33%
    compared to  $40.00
    8 reviews with an average rating of 4.0 out of 5 stars
    REI OUTLET
    Free CountryForce Grid Fleece Base Layer Bottoms - Men's
    $29.73
    Save 33%
    compared to  $45.00
    18 reviews with an average rating of 4.0 out of 5 stars
    REI OUTLET
    Top Rated
    PatagoniaCapilene Midweight Crew Base Layer Top - Men's
    $61.93 - $89.00
    88 reviews with an average rating of 4.5 out of 5 stars
    PatagoniaCapilene Midweight Zip-Neck Base Layer Top - Men's
    $68.93 - $99.00
    66 reviews with an average rating of 4.5 out of 5 stars
    Top Rated
    IcebreakerMerino 200 Oasis Long-Sleeve Crewe Thermal Top - Men's
    $69.93 - $120.00
    215 reviews with an average rating of 4.7 out of 5 stars
    Top Rated
    IcebreakerMerino 125 ZoneKnit Long-Sleeve Half-Zip Base Layer Top - Men's
    $99.73
    Save 26%
    compared to  $135.00
    16 reviews with an average rating of 4.8 out of 5 stars
    REI OUTLET
    Top Rated
    IcebreakerMerino 200 ZoneKnit Long-Sleeve Half-Zip Base Layer Top - Men's
    $119.73
    Save 25%
    compared to  $160.00
    7 reviews with an average rating of 4.7 out of 5 stars
    REI OUTLET
  • The R E I Co-op Mastercard. Earn 15% total R E I rewards.

    Earn 15% in total rewards

    Get 5% on all REI Co-op purchases plus the 10% Co-op Member Reward you earn on eligible full-price purchases.



    Terms apply
    SmartwoolIntraknit Thermal Merino Crew Base Layer Top - Men's
    $92.73
    Save 28%
    compared to  $130.00
    15 reviews with an average rating of 4.3 out of 5 stars
    REI OUTLET
    Free CountryCloud Knit Base Layer Bottoms - Men's
    $26.73
    Save 33%
    compared to  $40.00
    3 reviews with an average rating of 5.0 out of 5 stars
    REI OUTLET
    Top Rated
    IcebreakerMerino 260 Tech Long-Sleeve Crewe Thermal Top - Men's
    $89.93 - $140.00
    77 reviews with an average rating of 4.7 out of 5 stars
    Top Rated
    Free CountryForce Grid Fleece Base Layer Top - Men's
    $29.73
    Save 33%
    compared to  $45.00
    17 reviews with an average rating of 4.9 out of 5 stars
    REI OUTLET
    PatagoniaCapilene Thermal Weight Zip-Neck Top - Men's
    $75.93 - $115.00
    23 reviews with an average rating of 4.0 out of 5 stars
    Top Rated
    Icebreaker200 Sonebula Leggings - Men's
    $89.73
    Save 25%
    compared to  $120.00
    5 reviews with an average rating of 5.0 out of 5 stars
    REI OUTLET
    Arms of Andes300 Lightweight Alpaca Wool Base Layer Leggings - Men's
    $85.93
    Save 25%
    compared to  $115.00
    15 reviews with an average rating of 4.1 out of 5 stars
    SaxxRoast Master Midweight Long-Sleeve Crew Base Layer Top - Men's
    $47.73
    Save 36%
    compared to  $75.00
    0 reviews
    REI OUTLET
    TerramarC-Suite Mammoth Sherpa Fleece Mid-Layer Pants - Men's
    $56.73
    Save 29%
    compared to  $80.00
    2 reviews with an average rating of 3.0 out of 5 stars
    REI OUTLET
    SmartwoolIntraknit Active Base Layer Bottoms - Men's
    $81.73
    Save 25%
    compared to  $110.00
    4 reviews with an average rating of 4.5 out of 5 stars
    REI OUTLET
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