Skip to search results
loaded 79 results

Smartwool Underwear

(79 products)
Products (79)
Sort: Best Match
    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
    Top Rated

    SmartwoolClassic Thermal Merino Crew Base Layer Top - Women's

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

    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
    New arrival

    SmartwoolIntraknit Strappy Bra

    $46.73
    Save 28%
    compared to  $65.00
    1 reviews with an average rating of 4.0 out of 5 stars
    Bra Support:
    Low Impact
    Support Style:
    Encapsulation
    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 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 Crop Bra

    $51.73
    Save 26%
    compared to  $70.00
    7 reviews with an average rating of 3.7 out of 5 stars
    Bra Support:
    Low Impact
    Support Style:
    Compression
    Fabric:
    62% nylon/28% elastane/10% polyester (exclusive of decoration)
    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
    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

    SmartwoolClassic Thermal Merino Base Layer Bottoms - Women's

    $86.73
    Save 24%
    compared to  $115.00
    0 reviews
    Underwear Weight:
    Midweight
    Size Type:
    Regular
    REI OUTLET

    SmartwoolIntraknit Racerback Bra

    $46.73
    Save 28%
    compared to  $65.00
    1 reviews with an average rating of 1.0 out of 5 stars
    Bra Support:
    Low Impact
    Support Style:
    Compression
    Fabric:
    69% nylon/17% elastane/14% polyester
    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 Thermal Merino Crew Base Layer Top - Men's

    $97.73
    Save 24%
    compared to  $130.00
    9 reviews with an average rating of 4.1 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular, Big
    REI OUTLET

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

    $97.73
    Save 24%
    compared to  $130.00
    0 reviews
    Underwear Weight:
    Midweight
    Size Type:
    Regular
    REI OUTLET

    SmartwoolClassic Thermal Merino Crew Base Layer Top - Kids'

    $48.73
    Save 25%
    compared to  $65.00
    2 reviews with an average rating of 4.0 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular
    REI OUTLET

    SmartwoolIntraknit Thermal Merino Crew Base Layer Top - Women's

    $97.73
    Save 24%
    compared to  $130.00
    1 reviews with an average rating of 5.0 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular
    REI OUTLET

    SmartwoolIntraknit Thermal Merino Colorblock Quarter-Zip Base Layer Top - Women's

    $97.93
    Save 30%
    compared to  $140.00
    1 reviews with an average rating of 5.0 out of 5 stars
    Size Type:
    Regular

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

    $90.93
    Save 30%
    compared to  $130.00
    11 reviews with an average rating of 4.4 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular, Big
Sort: Best Match

Related Expert Advice articles