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Smartwool Merino Wool Underwear

(66 products)
Products (66)
Remove brand filter:SmartwoolRemove features filter:Merino WoolClear all
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    SmartwoolIntraknit Strappy Bra

    $65.00
    2 reviews with an average rating of 5.0 out of 5 stars
    Bra Support:
    Low Impact
    Support Style:
    Encapsulation
    Fabric:
    65% nylon/24% elastane/11% polyester

    SmartwoolIntraknit Racerback Bra

    $75.00
    0 reviews
    Bra Support:
    Low Impact
    Support Style:
    Compression
    Fabric:
    69% nylon/35% TENCEL lyocell/17% elastane/14% polyester (exclusive of decoration)

    SmartwoolIntraknit Racerback Bra

    $65.00
    3 reviews with an average rating of 3.0 out of 5 stars
    Bra Support:
    Low Impact
    Support Style:
    Compression
    Fabric:
    62% nylon/28% elastane/10% polyester

    SmartwoolClassic Thermal Merino Base Layer Bottoms - Women's

    $86.73
    Save 24%
    compared to  $115.00
    246 reviews with an average rating of 4.4 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Plus, Regular
    REI OUTLET

    SmartwoolClassic All-Season Merino Base Layer Bottoms - Women's

    $90.00
    95 reviews with an average rating of 4.2 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Plus
    New arrival

    SmartwoolClassic Thermal Merino Base Layer Quarter-Zip - Women's

    $89.73
    Save 25%
    compared to  $120.00
    0 reviews
    Underwear Weight:
    Midweight
    Size Type:
    Regular, Plus
    REI OUTLET

    SmartwoolIntraknit Strappy Bra

    $46.73
    Save 28%
    compared to  $65.00
    2 reviews with an average rating of 5.0 out of 5 stars
    Bra Support:
    Low Impact
    Support Style:
    Encapsulation
    Fabric:
    69% nylon/17% elastane/14% polyester
    REI OUTLET
    Top Rated

    SmartwoolClassic Thermal Merino Crew Base Layer Top - Women's

    $86.73
    Save 24%
    compared to  $115.00
    365 reviews with an average rating of 4.7 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular, Plus
    REI OUTLET
    New arrival

    SmartwoolIntraknit Thermal Max Merino Base Layer Bottoms - Women's

    $101.73
    Save 24%
    compared to  $135.00
    0 reviews
    Underwear Weight:
    Heavyweight
    Size Type:
    Regular
    REI OUTLET
    Top Rated

    SmartwoolClassic Thermal Merino Crew Base Layer Top - Men's

    $86.73
    Save 24%
    compared to  $115.00
    273 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

    $67.73
    Save 24%
    compared to  $90.00
    56 reviews with an average rating of 4.6 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular, Big
    REI OUTLET
    Top Rated

    SmartwoolClassic Thermal Merino Base Layer Bottoms - Kids'

    $48.73
    Save 25%
    compared to  $65.00
    52 reviews with an average rating of 4.7 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular
    REI OUTLET

    SmartwoolActive Crop Bra

    $49.73
    Save 28%
    compared to  $70.00
    1 reviews with an average rating of 4.0 out of 5 stars
    Bra Support:
    Low Impact
    Support Style:
    Compression
    Fabric:
    Main body: 87% recycled nylon/13% elastane; lining: 53% merino wool/47% TENCEL lyocell
    REI OUTLET

    SmartwoolClassic Thermal Merino Crew Base Layer Top - Kids'

    $48.73
    Save 25%
    compared to  $65.00
    4 reviews with an average rating of 3.5 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular
    REI OUTLET
    New arrival

    SmartwoolIntraknit Thermal Max Merino Base Layer Pattern Hoodie - Women's

    $123.73
    Save 25%
    compared to  $165.00
    0 reviews
    Size Type:
    Regular
    REI OUTLET

    SmartwoolClassic Thermal Merino Lettuce Edge Crew Base Layer Top - Women's

    $82.73
    Save 28%
    compared to  $115.00
    0 reviews
    Underwear Weight:
    Midweight
    Size Type:
    Regular
    REI OUTLET

    SmartwoolIntraknit Strappy Bra

    $48.73
    Save 25%
    compared to  $65.00
    4 reviews with an average rating of 4.0 out of 5 stars
    Bra Support:
    Low Impact
    Support Style:
    Compression
    Fabric:
    65% nylon/24% elastane/11% polyester (exclusive of decoration)
    REI OUTLET
    Top Rated

    SmartwoolActive Crop Bra

    $51.73
    Save 26%
    compared to  $70.00
    6 reviews with an average rating of 4.5 out of 5 stars
    Bra Support:
    Low Impact
    Support Style:
    Compression
    Fabric:
    87% nylon/13% elastane (exclusive of decoration)
    REI OUTLET

    SmartwoolIntraknit Racerback Bra

    $48.73
    Save 25%
    compared to  $65.00
    8 reviews with an average rating of 3.5 out of 5 stars
    Bra Support:
    Low Impact
    Support Style:
    Compression
    Fabric:
    62% nylon/28% elastane/10% polyester (exclusive of decoration)
    REI OUTLET
    New arrival

    SmartwoolIntraknit Active Base Layer Bottoms - Men's

    $82.73
    Save 24%
    compared to  $110.00
    1 reviews with an average rating of 3.0 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular, Big
    REI OUTLET
    Top Rated

    SmartwoolClassic Thermal Merino Base Layer Quarter-Zip - Men's

    $89.73
    Save 25%
    compared to  $120.00
    15 reviews with an average rating of 4.9 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular, Big
    REI OUTLET

    SmartwoolIntraknit Thermal Merino Pattern Crew Base Layer Top - Men's

    $90.73
    Save 30%
    compared to  $130.00
    2 reviews with an average rating of 4.5 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular, Big
    REI OUTLET

    SmartwoolIntraknit Thermal Merino Crew Base Layer Top - Women's

    $97.73
    Save 24%
    compared to  $130.00
    119 reviews with an average rating of 4.3 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular
    REI OUTLET

    SmartwoolIntraknit Racerback Bra

    $46.73
    Save 28%
    compared to  $65.00
    3 reviews with an average rating of 3.0 out of 5 stars
    Bra Support:
    Low Impact
    Support Style:
    Compression
    Fabric:
    69% nylon/17% elastane/14% polyester
    REI OUTLET

    SmartwoolIntraknit Thermal Merino Base Layer Bottoms - Women's

    $97.73
    Save 24%
    compared to  $130.00
    27 reviews with an average rating of 4.3 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular
    REI OUTLET

    SmartwoolClassic Thermal Merino Lettuce Edge Base Layer Bottoms - Women's

    $82.73
    Save 28%
    compared to  $115.00
    0 reviews
    Underwear Weight:
    Midweight
    Size Type:
    Regular
    REI OUTLET

    SmartwoolIntraknit Crop Bra

    $51.73
    Save 26%
    compared to  $70.00
    9 reviews with an average rating of 3.3 out of 5 stars
    Bra Support:
    Low Impact
    Support Style:
    Compression
    Fabric:
    62% nylon/28% elastane/10% polyester (exclusive of decoration)
    REI OUTLET

    SmartwoolClassic Thermal Merino Base Layer Hoodie - Kids'

    $56.73
    Save 24%
    compared to  $75.00
    3 reviews with an average rating of 4.7 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular
    REI OUTLET

    SmartwoolIntraknit Active Base Layer Crew Shirt - Men's

    $81.73
    Save 25%
    compared to  $110.00
    1 reviews with an average rating of 4.0 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Big, Regular
    REI OUTLET
    New arrival

    SmartwoolClassic Thermal Merino Base Layer Quarter-Zip - Kids'

    $52.73
    Save 24%
    compared to  $70.00
    0 reviews
    Underwear Weight:
    Midweight
    Size Type:
    Regular
    REI OUTLET
31–60 of 66 products
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