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Men's Base Layers: Deals

(52 products)
Products (52)
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    Top Rated
    SmartwoolClassic All-Season Merino Long-Sleeve Base Layer Top - Men's
    $53.83 - $100.00
    106 reviews with an average rating of 4.6 out of 5 stars
    Top Rated
    REI Co-opMerino 185 Long-Sleeve Half-Zip Base Layer Top - Men's
    $44.83 - $89.95
    137 reviews with an average rating of 4.5 out of 5 stars
    Top Rated
    REI Co-opMidweight Long-Sleeve Base Layer Top - Men's
    $26.83 - $54.95
    212 reviews with an average rating of 4.6 out of 5 stars
    Top Rated
    SmartwoolClassic Thermal Merino Crew Base Layer Top - Men's
    $68.83 - $125.00
    1539 reviews with an average rating of 4.7 out of 5 stars
    REI Co-opHeavyweight Merino Base Layer Half-Zip Top - Men's
    $49.83 - $104.95
    33 reviews with an average rating of 4.3 out of 5 stars
    Top Rated
    SmartwoolClassic Thermal Merino Quarter-Zip Base Layer Top - Men's
    $71.83 - $130.00
    61 reviews with an average rating of 4.7 out of 5 stars
    Arc'teryxRho SV Zip-Neck Base Layer Top - Men's
    $112.93
    Save 19%
    compared to  $140.00
    15 reviews with an average rating of 3.5 out of 5 stars
    Top Rated
    REI Co-opMidweight Base Layer Half-Zip Top - Men's
    $29.83 - $59.95
    194 reviews with an average rating of 4.6 out of 5 stars
    Arc'teryxRho LT Base Layer Bottoms - Men's
    $59.83 - $100.00
    61 reviews with an average rating of 4.4 out of 5 stars
    Top Rated
    Arc'teryxRho LT Zip-Neck Base Layer Top - Men's
    $84.83 - $120.00
    111 reviews with an average rating of 4.5 out of 5 stars
    SmartwoolIntraknit Thermal Merino Colorblock Crew Base Layer Top - Men's
    $77.83 - $130.00
    12 reviews with an average rating of 4.2 out of 5 stars
    SmartwoolClassic Thermal Merino Base Layer Hoodie - Men's
    $108.73
    Save 25%
    compared to  $145.00
    3 reviews with an average rating of 5.0 out of 5 stars
    REI OUTLET
    SmartwoolIntraknit Thermal Merino Crew Base Layer Top - Men's
    $77.83 - $150.00
    209 reviews with an average rating of 4.4 out of 5 stars
    Top Rated
    REI Co-opHeavyweight Merino Long-Sleeve Base Layer Crew Top - Men's
    $49.83 - $99.95
    50 reviews with an average rating of 4.5 out of 5 stars
    tasc PerformanceElevation Merino Base Layer Bottoms - Men's
    $46.73 - $54.73
    Save 30% - 40%
    compared to  $79.00
    44 reviews with an average rating of 3.9 out of 5 stars
    REI OUTLET
  • Two colorful outdoor themed gift cards and a yellow Member Bonus Card for $10 that reads ‘Made for life outside’ on a light colored background.

    Give the gift of the outdoors

    Members, buy a $100+ gift card and get a $10 bonus e-card. Terms apply.

    Shop gift cards
    tasc PerformanceElevation Merino T-Shirt - Men's
    $46.73 - $54.73
    Save 30% - 40%
    compared to  $79.00
    55 reviews with an average rating of 4.4 out of 5 stars
    REI OUTLET
    Icebreaker200 ZoneKnit Long-Sleeve Crewe Base Layer Top - Men's
    $89.83
    Save 40%
    compared to  $150.00
    2 reviews with an average rating of 5.0 out of 5 stars
    Top Rated
    SmartwoolClassic Thermal Merino Base Layer Quarter-Zip - Men's
    $89.73
    Save 25%
    compared to  $120.00
    61 reviews with an average rating of 4.7 out of 5 stars
    REI OUTLET
    PatagoniaCapilene Thermal Weight Zip-Neck Base Layer Top - Men's
    $69.73
    Save 36%
    compared to  $109.00
    26 reviews with an average rating of 3.9 out of 5 stars
    REI OUTLET
    SmartwoolIntraknit Thermal Merino Base Layer Hoodie - Men's
    $134.73
    Save 25%
    compared to  $180.00
    2 reviews with an average rating of 5.0 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
    Top Rated
    SmartwoolClassic Thermal Merino Crew Base Layer Top - Men's
    $84.73
    Save 26%
    compared to  $115.00
    318 reviews with an average rating of 4.7 out of 5 stars
    REI OUTLET
    PatagoniaCapilene Midweight Zip-Neck Base Layer Top - Men's
    $48.83 - $99.00
    80 reviews with an average rating of 4.4 out of 5 stars
    SmartwoolIntraknit Thermal Max Merino Quarter-Zip Base Layer Top - Men's
    $99.93 - $155.00
    0 reviews
    Top Rated
    Arc'teryxRho Merino Wool Crew Neck Base Layer Top - Men's
    $69.83
    Save 41%
    compared to  $120.00
    45 reviews with an average rating of 4.8 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
    106 reviews with an average rating of 4.6 out of 5 stars
    REI OUTLET
    SmartwoolClassic Thermal Merino Colorblock Crew Base Layer Top - Men's
    $96.73
    Save 25%
    compared to  $130.00
    2 reviews with an average rating of 5.0 out of 5 stars
    REI OUTLET
    Free CountryCloud Knit Crewneck Base Layer Top - Men's
    $26.73
    Save 33%
    compared to  $40.00
    10 reviews with an average rating of 4.0 out of 5 stars
    REI OUTLET
    Icebreaker125 ZoneKnit Crewe Base Layer Shirt - Men's
    $84.73
    Save 26%
    compared to  $115.00
    7 reviews with an average rating of 4.4 out of 5 stars
    REI OUTLET
    SmartwoolIntraknit Thermal Merino Base Layer Quarter-Zip Top - Men's
    $83.83 - $140.00
    21 reviews with an average rating of 4.3 out of 5 stars
    SmartwoolClassic Thermal Merino Colorblock Crew Base Layer Top - Men's
    $89.93
    Save 30%
    compared to  $130.00
    2 reviews with an average rating of 5.0 out of 5 stars
1–30 of 52 products
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