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Underwear: Deals

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Products (478)
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  • Sale Ends Nov 25

    SmartwoolIntraknit Thermal Max Merino Base Layer Bottoms - Men's

    $101.19
    Save 25%
    compared to  $135.00
    0 reviews
    Underwear Weight:
    Lightweight
    Size Type:
    Regular, Big
  • Sale Ends Nov 25

    SmartwoolIntraknit Active Base Layer Top - Men's

    $82.49
    Save 25%
    compared to  $110.00
    1 reviews with an average rating of 4.0 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular, Big
  • Sale Ends Dec 2

    SmartwoolThermal Merino Base Layer Hoodie - Men's

    $108.69
    Save 25%
    compared to  $145.00
    1 reviews with an average rating of 5.0 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular, Big
  • Sale Ends Nov 25

    Kari TraaSval Long-Sleeve Base Layer Top - Women's

    $59.99
    Save 25%
    compared to  $80.00
    2 reviews with an average rating of 5.0 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular
  • Sale Ends Nov 25

    REI Co-opMerino 185 Base Layer Top - Men's

    $48.89
    Save 30%
    compared to  $69.95
    48 reviews with an average rating of 4.2 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular, Big
  • Sale Ends Nov 25

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

    $93.69
    Save 25%
    compared to  $125.00
    0 reviews
    Size Type:
    Regular
  • Sale Ends Dec 4

    Ortovox185 Merino Rock'n'wool Long-Sleeve Base Layer Top - Men's

    $87.99
    Save 20%
    compared to  $110.00
    10 reviews with an average rating of 4.2 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular, Big
  • Sale Ends Dec 2

    SmartwoolIntraknit Thermal Merino Crew Base Layer Top - Women's

    $97.49
    Save 25%
    compared to  $130.00
    181 reviews with an average rating of 4.2 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular
  • Sale Ends Nov 25
    Top Rated

    Kari TraaRose Half-Zip Base Layer Top - Women's

    $89.99
    Save 25%
    compared to  $120.00
    28 reviews with an average rating of 4.5 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular
  • Sale Ends Nov 25

    SmartwoolIntraknit Thermal Max Merino Quarter-Zip Base Layer Top - Men's

    $116.19
    Save 25%
    compared to  $155.00
    0 reviews
    Underwear Weight:
    Midweight
    Size Type:
    Regular, Big
  • Sale Ends Dec 4

    Ortovox230 Competition Zip-Neck Base Layer Top - Men's

    $95.99
    Save 20%
    compared to  $120.00
    3 reviews with an average rating of 3.7 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular, Big
  • Sale Ends Nov 25

    REI Co-opMerino Boxers - Men's

    $27.89
    Save 30%
    compared to  $39.95
    56 reviews with an average rating of 4.4 out of 5 stars
    Size Type:
    Regular
  • Sale Ends Nov 25

    SmartwoolBoxer Briefs - Men's

    $26.19
    Save 25%
    compared to  $35.00
    2 reviews with an average rating of 1.5 out of 5 stars
    Size Type:
    Regular, Big
  • Sale Ends Dec 3
    Top Rated

    ColumbiaMidweight Tights 2 - Kids'

    $22.49
    Save 25%
    compared to  $30.00
    42 reviews with an average rating of 4.7 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular
  • Sale Ends Nov 25

    REI Co-opMerino Hipster Underwear - Women's

    $20.89
    Save 30%
    compared to  $29.95
    42 reviews with an average rating of 3.8 out of 5 stars
    Size Type:
    Regular, Plus
  • Sale Ends Nov 25

    REI Co-opMerino Boxer Briefs - Men's

    $27.89
    Save 30%
    compared to  $39.95
    98 reviews with an average rating of 4.3 out of 5 stars
    Size Type:
    Regular
  • Sale Ends Nov 25

    REI Co-opActive Thong Underwear - Women's

    $10.39
    Save 30%
    compared to  $14.95
    10 reviews with an average rating of 4.2 out of 5 stars
    Size Type:
    Regular, Plus
  • Sale Ends Nov 25

    SmartwoolIntraknit Bikini Underwear - Women's

    $25.49
    Save 25%
    compared to  $34.00
    5 reviews with an average rating of 1.8 out of 5 stars
    Size Type:
    Regular
  • Sale Ends Nov 25

    IcebreakerMerino 260 Vertex Long-Sleeve Half-Zip Herenga Base Layer Top - Women's

    $112.49
    Save 25%
    compared to  $150.00
    6 reviews with an average rating of 4.2 out of 5 stars
    Underwear Weight:
    Heavyweight
    Size Type:
    Regular
  • Sale Ends Nov 25

    REI Co-opActive Hipster Underwear - Women's

    $13.19
    Save 30%
    compared to  $18.95
    35 reviews with an average rating of 3.8 out of 5 stars
    Size Type:
    Regular, Plus
  • Sale Ends Nov 25

    Kari TraaFryd Base Layer Top - Women's

    $44.99
    Save 25%
    compared to  $60.00
    19 reviews with an average rating of 4.2 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular
  • Sale Ends Nov 25

    SmartwoolClassic Thermal Merino Base Layer Hoodie - Kids'

    $56.19
    Save 25%
    compared to  $75.00
    2 reviews with an average rating of 4.5 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular
  • Sale Ends Nov 25

    SmartwoolIntraknit Strappy Bra

    $48.69
    Save 25%
    compared to  $65.00
    0 reviews
    Bra Support:
    Low Impact
    Support Style:
    Encapsulation
    Fabric:
    65% nylon/24% elastane/11% polyester
  • Sale Ends Nov 25

    SmartwoolIntraknit Racerback Bra

    $48.69
    Save 25%
    compared to  $65.00
    0 reviews
    Bra Support:
    Low Impact
    Support Style:
    Compression
    Fabric:
    62% nylon/28% elastane/10% polyester
  • Sale Ends Dec 3
    Top Rated

    ColumbiaOmni-Heat Midweight Crew Base Layer Top - Kids'

    $22.49
    Save 25%
    compared to  $30.00
    53 reviews with an average rating of 4.8 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular
  • Sale Ends Nov 25

    Kari TraaSmekker Half-Zip Base Layer Top - Women's

    $97.49
    Save 25%
    compared to  $130.00
    15 reviews with an average rating of 4.1 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular
  • Sale Ends Nov 25
    Top Rated

    REI Co-opMerino Base Layer Tank Top - Women's

    $34.89
    Save 30%
    compared to  $49.95
    21 reviews with an average rating of 4.7 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular, Plus
  • Sale Ends Nov 25

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

    $97.49
    Save 25%
    compared to  $130.00
    9 reviews with an average rating of 4.2 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular, Big
  • Sale Ends Nov 25

    REI Co-opActive Bikini Underwear - Women's

    $13.89
    Save 30%
    compared to  $19.95
    49 reviews with an average rating of 3.3 out of 5 stars
    Size Type:
    Regular, Plus
  • Sale Ends Nov 25
    Top Rated

    Kari TraaRose High-Waisted Base Layer Pants - Women's

    $82.49
    Save 25%
    compared to  $110.00
    12 reviews with an average rating of 4.5 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular
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