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Smartwool Underwear: Deals

(42 products)
Products (42)
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    SmartwoolClassic Thermal Merino Base Layer Bottoms - Women's
    $81.73
    Save 28%
    compared to  $115.00
    247 reviews with an average rating of 4.4 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Plus, Regular
    REI OUTLET
    SmartwoolIntraknit Thermal Max Merino Base Layer Bottoms - Women's
    $100.73
    Save 25%
    compared to  $135.00
    0 reviews
    Underwear Weight:
    Heavyweight
    Size Type:
    Regular
    REI OUTLET
    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
    Top Rated
    SmartwoolClassic Thermal Merino Crew Base Layer Top - Women's
    $81.73
    Save 28%
    compared to  $115.00
    367 reviews with an average rating of 4.7 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular, Plus
    REI OUTLET
    SmartwoolClassic Thermal Merino Crew Base Layer Top - Kids'
    $44.73
    Save 31%
    compared to  $65.00
    5 reviews with an average rating of 3.6 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular
    REI OUTLET
    Top Rated
    SmartwoolClassic Thermal Merino Base Layer Quarter-Zip - Men's
    $89.73
    Save 25%
    compared to  $120.00
    18 reviews with an average rating of 4.6 out of 5 stars
    Underwear Weight:
    Midweight
    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
    Top Rated
    SmartwoolClassic All Season Merino Long-Sleeve Base Layer Top - Men's
    $66.73
    Save 25%
    compared to  $90.00
    65 reviews with an average rating of 4.6 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular
    REI OUTLET
    SmartwoolIntraknit Active Base Layer Bottoms - Men's
    $81.73
    Save 25%
    compared to  $110.00
    2 reviews with an average rating of 4.0 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular, Big
    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 Strappy Bra
    $46.73
    Save 28%
    compared to  $65.00
    3 reviews with an average rating of 3.7 out of 5 stars
    Bra Support:
    Low Impact
    Support Style:
    Encapsulation
    Fabric:
    69% nylon/17% elastane/14% polyester
    REI OUTLET
    SmartwoolClassic Thermal Merino Base Layer Quarter-Zip - Kids'
    $51.73
    Save 26%
    compared to  $70.00
    0 reviews
    Underwear Weight:
    Midweight
    Size Type:
    Regular
    REI OUTLET
    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
    Top Rated
    SmartwoolClassic Thermal Merino Crew Base Layer Top - Men's
    $85.73
    Save 25%
    compared to  $115.00
    276 reviews with an average rating of 4.7 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular
    REI OUTLET
    SmartwoolIntraknit Active Base Layer Bottoms - Women's
    $76.73
    Save 30%
    compared to  $110.00
    1 reviews with an average rating of 4.0 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 Strappy Bra
    $44.73
    Save 31%
    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
    SmartwoolIntraknit Thermal Merino Crew Base Layer Top - Men's
    $92.73
    Save 28%
    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
    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
    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
    SmartwoolClassic Thermal Merino Base Layer Hoodie - Kids'
    $51.73
    Save 31%
    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:
    Regular, Big
    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 Crop Bra
    $51.73
    Save 26%
    compared to  $70.00
    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 Base Layer Colorblock Crew - Men's
    $96.73
    Save 25%
    compared to  $130.00
    11 reviews with an average rating of 4.4 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular, Big
    REI OUTLET
    SmartwoolIntraknit Thermal Merino Pattern Crew Base Layer Top - Men's
    $75.73
    Save 41%
    compared to  $130.00
    2 reviews with an average rating of 4.5 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Big, Regular
    REI OUTLET
    SmartwoolIntraknit Active Base Layer Bottoms - Women's
    $76.73
    Save 30%
    compared to  $110.00
    0 reviews
    Size Type:
    Regular
    REI OUTLET
    SmartwoolIntraknit Thermal Merino Pattern Crew Base Layer Top - Women's
    $96.73
    Save 25%
    compared to  $130.00
    48 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 Bottoms - Women's
    $92.73
    Save 28%
    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
    SmartwoolIntraknit Thermal Merino Crew Base Layer Top - Women's
    $96.73
    Save 25%
    compared to  $130.00
    120 reviews with an average rating of 4.3 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular
    REI OUTLET
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