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Heavyweight Base Layers

(43 products)
Products (43)
Remove underwear-weight filter:Heavyweight
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    REI Co-opHeavyweight Merino Long-Sleeve Base Layer Crew Top - Men's
    $49.83 - $99.95
    44 reviews with an average rating of 4.4 out of 5 stars
    Underwear Weight:
    Heavyweight
    Size Type:
    Regular, Big
    Top Rated
    REI Co-opHeavyweight Merino Base Layer Half-Zip Top - Women's
    $51.83 - $104.95
    32 reviews with an average rating of 4.7 out of 5 stars
    Underwear Weight:
    Heavyweight
    Size Type:
    Regular, Plus
    REI Co-opHeavyweight Merino Base Layer Half-Zip Top - Men's
    $49.83 - $104.95
    27 reviews with an average rating of 4.2 out of 5 stars
    Underwear Weight:
    Heavyweight
    Size Type:
    Regular, Big, Tall
    REI Co-opHeavyweight Merino Base Layer Bottoms - Women's
    $49.83 - $99.95
    33 reviews with an average rating of 4.4 out of 5 stars
    Underwear Weight:
    Heavyweight
    Size Type:
    Regular, Plus
    REI Co-opHeavyweight Merino Long-Sleeve Base Layer Crew Top - Women's
    $49.83 - $99.95
    45 reviews with an average rating of 4.4 out of 5 stars
    Underwear Weight:
    Heavyweight
    Size Type:
    Regular, Plus
    Top Rated
    REI Co-opHeavyweight Merino Base Layer Bottoms - Men's
    $99.95
    21 reviews with an average rating of 4.7 out of 5 stars
    Underwear Weight:
    Heavyweight
    Size Type:
    Regular, Big, Tall
    Top Rated
    Arc'teryxKyanite Base Layer Bottoms - Women's
    $120.00
    Add to cart to see price
    27 reviews with an average rating of 4.7 out of 5 stars
    Underwear Weight:
    Heavyweight
    Size Type:
    Regular, Plus
    SENIQWool Sculpt Merino Mock-Neck Long-Sleeve Base Layer Shirt - Women's
    $99.93 - $128.00
    2 reviews with an average rating of 3.0 out of 5 stars
    Underwear Weight:
    Heavyweight
    Size Type:
    Regular
    SENIQWool Sculpt Merino Base Layer Leggings - Women's
    $63.83 - $128.00
    0 reviews
    Underwear Weight:
    Heavyweight
    Size Type:
    Regular
    Arc'teryxRho SV Zip-Neck Base Layer Top - Men's
    $140.00
    14 reviews with an average rating of 3.6 out of 5 stars
    Underwear Weight:
    Heavyweight
    Size Type:
    Regular
    Top Rated
    Arc'teryxRho Hybrid Insulated Base Layer Bottoms - Women's
    $180.00
    Add to cart to see price
    16 reviews with an average rating of 4.7 out of 5 stars
    Underwear Weight:
    Heavyweight
    Size Type:
    Regular
    PatagoniaCapilene Thermal Weight Long-Underwear Bottoms - Men's
    $99.00
    16 reviews with an average rating of 4.1 out of 5 stars
    Underwear Weight:
    Heavyweight
    Size Type:
    Regular, Big
    PatagoniaCapilene Thermal Weight Long Underwear Crew Top - Men's
    $99.00
    11 reviews with an average rating of 4.0 out of 5 stars
    Underwear Weight:
    Heavyweight
    Size Type:
    Regular, Big
    SmartwoolIntraknit Thermal Max Merino Quarter-Zip Base Layer Top - Women's
    $115.73
    Save 25%
    compared to  $155.00
    0 reviews
    Underwear Weight:
    Heavyweight
    Size Type:
    Regular
    REI OUTLET
    Top Rated
    IcebreakerMerino 260 Tech Long-Sleeve Crewe Thermal Top - Men's
    $125.00
    80 reviews with an average rating of 4.7 out of 5 stars
    Underwear Weight:
    Heavyweight
    Size Type:
    Regular, Big
    PatagoniaCapilene Thermal Weight Zip-Neck Base Layer Top - Men's
    $69.73
    Save 36%
    compared to  $109.00
    25 reviews with an average rating of 3.9 out of 5 stars
    Underwear Weight:
    Heavyweight
    Size Type:
    Regular
    REI OUTLET
    Top Rated
    Icebreaker260 Merino Tech Thermal Leggings with Fly - Men's
    $140.00
    73 reviews with an average rating of 4.7 out of 5 stars
    Underwear Weight:
    Heavyweight
    Size Type:
    Regular, Big
    Icebreaker260 Tech Base Layer Leggings - Women's
    $61.83 - $125.00
    34 reviews with an average rating of 4.5 out of 5 stars
    Underwear Weight:
    Heavyweight
    Size Type:
    Regular, Plus
    Icebreaker260 Tech Vertex Long-Sleeve Half-Zip Thermal Base Layer Top - Women's
    $99.93
    Save 33%
    compared to  $150.00
    0 reviews
    Underwear Weight:
    Heavyweight
    Size Type:
    Regular
    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
    Underwear Weight:
    Heavyweight
    Size Type:
    Big, Regular
    REI OUTLET
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    Terms apply
    PatagoniaCapilene Thermal Weight Zip-Neck Long Underwear Top - Women's
    $49.93 - $115.00
    17 reviews with an average rating of 4.2 out of 5 stars
    Underwear Weight:
    Heavyweight
    Size Type:
    Regular
    Top Rated
    Icebreaker260 Tech Long-Sleeve Crewe Base Layer Top - Women's
    $125.00 - $140.00
    49 reviews with an average rating of 4.7 out of 5 stars
    Underwear Weight:
    Heavyweight
    Size Type:
    Regular, Plus
    PatagoniaCapilene Thermal Weight Zip-Neck Base Layer Top - Women's
    $69.73
    Save 36%
    compared to  $109.00
    17 reviews with an average rating of 4.2 out of 5 stars
    Underwear Weight:
    Heavyweight
    Size Type:
    Regular
    REI OUTLET
    Top Rated
    Arc'teryxRho Hybrid Insulated Base Layer Bottoms - Women's
    $143.73
    Save 20%
    compared to  $180.00
    16 reviews with an average rating of 4.7 out of 5 stars
    Underwear Weight:
    Heavyweight
    Size Type:
    Regular
    REI OUTLET
    PatagoniaCapilene Thermal Weight Zip-Neck Top - Men's
    $115.00
    25 reviews with an average rating of 3.9 out of 5 stars
    Underwear Weight:
    Heavyweight
    Size Type:
    Regular
    Arc'teryxRho SV Base Layer Bottoms - Men's
    $120.00
    Add to cart to see price
    1 reviews with an average rating of 2.0 out of 5 stars
    Underwear Weight:
    Heavyweight
    Size Type:
    Regular, Big
    Top Rated
    Icebreaker300 MerinoFine Polar Long-Sleeve Roll-Neck Thermal Base Layer Top - Men's
    $220.00
    10 reviews with an average rating of 4.9 out of 5 stars
    Underwear Weight:
    Heavyweight
    Size Type:
    Regular
    PatagoniaCapilene Thermal Weight Long Underwear Crew Top - Women's
    $99.00
    10 reviews with an average rating of 3.1 out of 5 stars
    Underwear Weight:
    Heavyweight
    Size Type:
    Regular
    Icebreaker300 MerinoFine Polar Long-Sleeve Half-Zip Thermal Base Layer Top - Men's
    $250.00
    7 reviews with an average rating of 3.9 out of 5 stars
    Underwear Weight:
    Heavyweight
    Size Type:
    Regular
    PatagoniaCapilene Thermal Weight Crewneck Base Layer Top - Men's
    $73.73
    Save 25%
    compared to  $99.00
    0 reviews
    Underwear Weight:
    Heavyweight
    Size Type:
    Regular
    REI OUTLET
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