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Men's Base Layer Tops: Deals

(29 products)
Products (29)
Sort: Best Match
    Top Rated
    REI Co-opMidweight Long-Sleeve Base Layer Top - Men's
    $19.83 - $54.95
    217 reviews with an average rating of 4.6 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular, Big, Tall
    Top Rated
    SmartwoolClassic Thermal Merino Crew Base Layer Top - Men's
    $84.73
    Save 26%
    compared to  $115.00
    Members use code OUTWEAR26 for an EXTRA 20% off 3+ clothing items at REI Outlet thru 6/14.
    325 reviews with an average rating of 4.7 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular, Big
    REI OUTLET
    Top Rated
    SmartwoolClassic All Season Merino Long-Sleeve Base Layer Top - Men's
    $66.73
    Save 25%
    compared to  $90.00
    Members use code OUTWEAR26 for an EXTRA 20% off 3+ clothing items at REI Outlet thru 6/14.
    116 reviews with an average rating of 4.6 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular
    REI OUTLET
    Top Rated
    SmartwoolClassic Thermal Merino Base Layer Quarter-Zip - Men's
    $89.73
    Save 25%
    compared to  $120.00
    Members use code OUTWEAR26 for an EXTRA 20% off 3+ clothing items at REI Outlet thru 6/14.
    64 reviews with an average rating of 4.7 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular, Big
    REI OUTLET
    Top Rated
    Arc'teryxRho LT Crew Neck Base Layer Top - Men's
    $75.93 - $100.00
    47 reviews with an average rating of 4.8 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular, Big
    PatagoniaCapilene Midweight Zip-Neck Base Layer Top - Men's
    $58.83
    Save 40%
    compared to  $99.00
    82 reviews with an average rating of 4.4 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular, Big
    SmartwoolIntraknit Thermal Merino Crew Base Layer Top - Men's
    $59.83 - $150.00
    137 reviews with an average rating of 4.3 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular, Big
    Top Rated
    PatagoniaCapilene Midweight Crew Base Layer Top - Men's
    $52.83
    Save 40%
    compared to  $89.00
    93 reviews with an average rating of 4.5 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular, Big
    Top Rated
    Arc'teryxRho LT Zip-Neck Base Layer Top - Men's
    $96.93 - $120.00
    111 reviews with an average rating of 4.5 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular, Big
    Arc'teryxRho SV Zip-Neck Base Layer Top - Men's
    $98.83 - $112.93
    Save 19% - 29%
    compared to  $140.00
    15 reviews with an average rating of 3.5 out of 5 stars
    Underwear Weight:
    Heavyweight
    Size Type:
    Regular
    tasc PerformanceElevation Merino T-Shirt - Men's
    $46.73 - $54.73
    Save 30% - 40%
    compared to  $79.00
    Members use code OUTWEAR26 for an EXTRA 20% off 3+ clothing items at REI Outlet thru 6/14.
    57 reviews with an average rating of 4.4 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Big, Regular
    REI OUTLET
    SmartwoolClassic Thermal Merino Colorblock Crew Base Layer Top - Men's
    $96.73
    Save 25%
    compared to  $130.00
    Members use code OUTWEAR26 for an EXTRA 20% off 3+ clothing items at REI Outlet thru 6/14.
    2 reviews with an average rating of 5.0 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular, Big
    REI OUTLET
    SmartwoolClassic Thermal Merino Base Layer Hoodie - Men's
    $108.73
    Save 25%
    compared to  $145.00
    Members use code OUTWEAR26 for an EXTRA 20% off 3+ clothing items at REI Outlet thru 6/14.
    3 reviews with an average rating of 5.0 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular, Big
    REI OUTLET
    PatagoniaCapilene Midweight Zip-Neck Long Underwear Top - Men's
    $63.73
    Save 35%
    compared to  $99.00
    Members use code OUTWEAR26 for an EXTRA 20% off 3+ clothing items at REI Outlet thru 6/14.
    82 reviews with an average rating of 4.4 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular
    REI OUTLET
    SmartwoolIntraknit Thermal Merino Base Layer Hoodie - Men's
    $134.73
    Save 25%
    compared to  $180.00
    Members use code OUTWEAR26 for an EXTRA 20% off 3+ clothing items at REI Outlet thru 6/14.
    2 reviews with an average rating of 5.0 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular, Big
    REI OUTLET
    Free CountryCloud Knit Crewneck Base Layer Top - Men's
    $26.73
    Save 33%
    compared to  $40.00
    Members use code OUTWEAR26 for an EXTRA 20% off 3+ clothing items at REI Outlet thru 6/14.
    10 reviews with an average rating of 4.0 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Big, Regular
    REI OUTLET
    PatagoniaCapilene Thermal Weight Zip-Neck Top - Men's
    $68.83
    Save 40%
    compared to  $115.00
    26 reviews with an average rating of 3.9 out of 5 stars
    Underwear Weight:
    Heavyweight
    Size Type:
    Regular
    PatagoniaCapilene Thermal Weight Zip-Neck Base Layer Top - Men's
    $69.73
    Save 36%
    compared to  $109.00
    Members use code OUTWEAR26 for an EXTRA 20% off 3+ clothing items at REI Outlet thru 6/14.
    26 reviews with an average rating of 3.9 out of 5 stars
    Underwear Weight:
    Heavyweight
    Size Type:
    Regular
    REI OUTLET
    PatagoniaCapilene Thermal Weight Long Underwear Crew Top - Men's
    $58.83 - $99.00
    12 reviews with an average rating of 4.1 out of 5 stars
    Underwear Weight:
    Heavyweight
    Size Type:
    Regular, Big
    SmartwoolIntraknit Thermal Merino Crew Base Layer Top - Men's
    $92.73
    Save 28%
    compared to  $130.00
    Members use code OUTWEAR26 for an EXTRA 20% off 3+ clothing items at REI Outlet thru 6/14.
    137 reviews with an average rating of 4.3 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular, Big
    REI OUTLET
    Icebreaker125 ZoneKnit Crewe Base Layer Shirt - Men's
    $84.73
    Save 26%
    compared to  $115.00
    Members use code OUTWEAR26 for an EXTRA 20% off 3+ clothing items at REI Outlet thru 6/14.
    7 reviews with an average rating of 4.4 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular
    REI OUTLET
    Black DiamondCoefficient LT One Piece Base Layer - Men's
    $149.73
    Save 31%
    compared to  $219.00
    Members use code OUTWEAR26 for an EXTRA 20% off 3+ clothing items at REI Outlet thru 6/14.
    10 reviews with an average rating of 3.3 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular
    REI OUTLET
    Top Rated
    IcebreakerMerino 125 ZoneKnit Long-Sleeve Half-Zip Base Layer Top - Men's
    $88.73
    Save 34%
    compared to  $135.00
    Members use code OUTWEAR26 for an EXTRA 20% off 3+ clothing items at REI Outlet thru 6/14.
    16 reviews with an average rating of 4.8 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Big, Regular
    REI OUTLET
    Top Rated
    IcebreakerMerino 200 ZoneKnit Long-Sleeve Half-Zip Base Layer Top - Men's
    $119.73
    Save 25%
    compared to  $160.00
    Members use code OUTWEAR26 for an EXTRA 20% off 3+ clothing items at REI Outlet thru 6/14.
    8 reviews with an average rating of 4.5 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular
    REI OUTLET
    PatagoniaCapilene Thermal Weight Crewneck Base Layer Top - Men's
    $73.73
    Save 25%
    compared to  $99.00
    Members use code OUTWEAR26 for an EXTRA 20% off 3+ clothing items at REI Outlet thru 6/14.
    12 reviews with an average rating of 4.1 out of 5 stars
    Underwear Weight:
    Heavyweight
    Size Type:
    Regular
    REI OUTLET
    Top Rated
    IcebreakerMerino 200 Sonebula Long-Sleeve Crewe Base Layer Top - Men's
    $89.73
    Save 25%
    compared to  $120.00
    Members use code OUTWEAR26 for an EXTRA 20% off 3+ clothing items at REI Outlet thru 6/14.
    7 reviews with an average rating of 4.6 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular
    REI OUTLET
    Arms of Andes300 Lightweight Alpaca Wool Half-Zip Base Layer Top - Men's
    $49.83
    Save 65%
    compared to  $145.00
    18 reviews with an average rating of 3.9 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Big
    Icebreaker200 ZoneKnit Long-Sleeve Crewe Base Layer Top - Men's
    $44.83
    Save 70%
    compared to  $150.00
    2 reviews with an average rating of 5.0 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular, Big
    IcebreakerMerino 200 ZoneKnit Long-Sleeve Half-Zip Base Layer Top - Men's
    $47.83
    Save 70%
    compared to  $160.00
    1 reviews with an average rating of 5.0 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular, Big
Sort: Best Match

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