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Merino Wool Base Layer Tops

(171 products)
Products (171)
Sort: Best Match
    SmartwoolClassic Thermal Merino Crew Base Layer Top - Women's
    $79.97 - $86.97
    Save 30%
    compared to  $115.00 - $125.00
    REI Outlet
    Top Rated
    1558 reviews with an average rating of 4.8 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular
    SmartwoolClassic Thermal Merino Crew Base Layer Top - Women's
    $125.00
    Top Rated
    1541 reviews with an average rating of 4.8 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular, Plus
    REI Co-opMerino 185 Long-Sleeve Crew Base Layer Top - Men's
    $84.95
    Top Rated
    5 reviews with an average rating of 4.6 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular, Big, Tall
    SmartwoolClassic Thermal Merino Crew Base Layer Top - Men's
    $125.00
    Top Rated
    1116 reviews with an average rating of 4.8 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular, Big
    tasc PerformanceElevation Merino T-Shirt - Women's
    $54.73
    Save 30%
    compared to  $79.00
    REI Outlet
    98 reviews with an average rating of 4.4 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular, Plus
    SmartwoolClassic Thermal Merino Quarter-Zip Base Layer Top - Women's
    $89.93 - $130.00
    Top Rated
    1090 reviews with an average rating of 4.7 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular, Plus
    IcebreakerMerino 200 Oasis Long-Sleeve Crewe Thermal Top - Men's
    $59.83 - $120.00
    103 reviews with an average rating of 4.4 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular, Big
    REI Co-opMerino 250 Long-Sleeve Crew Base Layer Top - Women's
    $104.95
    2 reviews with an average rating of 5.0 out of 5 stars
    Underwear Weight:
    Heavyweight
    Size Type:
    Regular, Plus
    REI Co-opMerino 185 Long-Sleeve Crew Base Layer Top - Women's
    $84.95
    4 reviews with an average rating of 3.8 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular, Plus
    REI Co-opMerino Midweight Base Layer Crew Top - Kids'
    $49.95
    Top Rated
    33 reviews with an average rating of 4.8 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular
    SmartwoolClassic All-Season Merino Base Layer Long-Sleeve Shirt - Women's
    $69.97
    Save 30%
    compared to  $100.00
    REI Outlet
    Top Rated
    436 reviews with an average rating of 4.6 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular, Plus
    REI Co-opMerino 185 Half-Zip Base Layer Top - Men's
    $89.95
    Top Rated
    5 reviews with an average rating of 4.6 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular, Big, Tall
    SmartwoolClassic Thermal Merino Colorblock Crew Base Layer Top - Men's
    $90.87
    Save 30%
    compared to  $130.00
    REI Outlet
    2 reviews with an average rating of 5.0 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular, Big
    SmartwoolIntraknit Thermal Merino Crew Base Layer Top - Women's
    $150.00
    239 reviews with an average rating of 4.3 out of 5 stars
    Underwear Weight:
    Heavyweight
    Size Type:
    Regular
    SmartwoolClassic Thermal Merino Quarter-Zip Base Layer Top - Men's
    $130.00
    Top Rated
    681 reviews with an average rating of 4.8 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular, Big
    REI Co-opMerino 250 Long-Sleeve Crew Base Layer Top - Men's
    $104.95
    1 reviews with an average rating of 5.0 out of 5 stars
    Underwear Weight:
    Heavyweight
    Size Type:
    Regular, Big, Tall
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    tasc PerformanceElevation Merino T-Shirt - Men's
    $54.73
    Save 30%
    compared to  $79.00
    REI Outlet
    57 reviews with an average rating of 4.4 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular, Big
    SmartwoolIntraknit Thermal Merino Crew Base Layer Top - Women's
    $96.73
    Save 25%
    compared to  $130.00
    REI Outlet
    239 reviews with an average rating of 4.3 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular
    SmartwoolClassic Thermal Merino Base Layer Quarter-Zip - Men's
    $89.73
    Save 25%
    compared to  $120.00
    REI Outlet
    Top Rated
    71 reviews with an average rating of 4.7 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular, Big
    REI Co-opMerino 185 Crew Base Layer Top - Men's
    $74.95
    4 reviews with an average rating of 4.5 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular, Big, Tall
    SmartwoolClassic Thermal Merino Crew Base Layer Top - Men's
    $86.97
    Save 30%
    compared to  $125.00
    REI Outlet
    Top Rated
    335 reviews with an average rating of 4.7 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular, Big
    Kari TraaRose Half-Zip Base Layer Top - Women's
    $99.73
    Save 28%
    compared to  $140.00
    REI Outlet
    Top Rated
    52 reviews with an average rating of 4.5 out of 5 stars
    Underwear Weight:
    Heavyweight
    Size Type:
    Regular, Plus
    SmartwoolIntraknit Thermal Max Merino Quarter-Zip Base Layer Top - Men's
    $107.87
    Save 30%
    compared to  $155.00
    REI Outlet
    0 reviews
    Underwear Weight:
    Heavyweight
    Size Type:
    Regular, Big
    SmartwoolClassic All-Season Merino Long-Sleeve Base Layer Top - Men's
    $100.00
    Top Rated
    545 reviews with an average rating of 4.7 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular, Big
    Kari TraaSmekker Long-Sleeve Base Layer Top - Women's
    $130.00
    0 reviews
    Underwear Weight:
    Lightweight
    Size Type:
    Regular
    SmartwoolClassic Thermal Merino Base Layer Quarter-Zip - Women's
    $89.97
    Save 30%
    compared to  $130.00
    REI Outlet
    Top Rated
    1100 reviews with an average rating of 4.7 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular
    Kari TraaJr Hennie Base Layer Set - Girls'
    $74.73
    Save 25%
    compared to  $100.00
    REI Outlet
    0 reviews
    Underwear Weight:
    Midweight
    Size Type:
    Regular
    IcebreakerMerino 200 Oasis Long-Sleeve Crewe Thermal Top - Women's
    $120.00
    Top Rated
    96 reviews with an average rating of 4.6 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular, Plus
    SmartwoolIntraknit Thermal Merino Base Layer Quarter-Zip Top - Men's
    $104.73
    Save 25%
    compared to  $140.00
    REI Outlet
    22 reviews with an average rating of 4.4 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular, Big
    Kari TraaLekker Long-Sleeve Base Layer Top - Women's
    $44.73
    Save 31%
    compared to  $65.00
    REI Outlet
    1 reviews with an average rating of 4.0 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular
Sort: Best Match

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