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Base Layer Bottoms: Deals

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Products (132)
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    Kari TraaElenore Base Layer Leggings - Women's

    $63.73
    Save 25%
    compared to  $85.00
    2 reviews with an average rating of 4.0 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular
    REI OUTLET
  • Sale Ends Nov 25

    SmartwoolClassic Thermal Merino Base Layer Bottoms - Women's

    $86.19
    Save 25%
    compared to  $115.00
    701 reviews with an average rating of 4.5 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular
  • Sale Ends Nov 25

    REI Co-opMidweight Base Layer Bottoms - Men's

    $38.39
    Save 30%
    compared to  $54.95
    67 reviews with an average rating of 4.4 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular, Big, Tall
  • Sale Ends Nov 25

    REI Co-opMidweight Base Layer Tights - Women's

    $38.39
    Save 30%
    compared to  $54.95
    75 reviews with an average rating of 4.0 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular, Plus, Petite
  • Sale Ends Nov 25

    Kari TraaLucie Base Layer Bottoms - Women's

    $59.99
    Save 25%
    compared to  $80.00
    0 reviews
    Underwear Weight:
    Midweight
    Size Type:
    Regular
  • Sale Ends Nov 25

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

    $55.89
    Save 30%
    compared to  $79.95
    102 reviews with an average rating of 4.4 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular, Big
  • Sale Ends Nov 25
    Top Rated

    SmartwoolClassic Thermal Merino Base Layer Bottoms - Men's

    $86.19
    Save 25%
    compared to  $115.00
    572 reviews with an average rating of 4.8 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular, Big
  • Sale Ends Today

    CraftCore Dry Base-Layer Set - Women's

    $43.73
    Save 41%
    compared to  $74.95
    11 reviews with an average rating of 3.5 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular
    REI OUTLET
  • Sale Ends Nov 25

    REI Co-opMerino 185 Base Layer Bottoms - Women's Plus Sizes

    $55.89
    Save 30%
    compared to  $79.95
    7 reviews with an average rating of 3.7 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Plus
  • Sale Ends Nov 25

    REI Co-opMerino 185 Base Layer Bottoms - Women's

    $55.89
    Save 30%
    compared to  $79.95
    94 reviews with an average rating of 4.3 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular
  • Sale Ends Nov 25
    Top Rated

    REI Co-opHeavyweight Merino Base Layer Bottoms - Women's

    $69.89
    Save 30%
    compared to  $99.95
    5 reviews with an average rating of 4.8 out of 5 stars
    Underwear Weight:
    Heavyweight
    Size Type:
    Regular, Plus
  • Sale Ends Nov 25

    REI Co-opHeavyweight Merino Base Layer Bottoms - Men's

    $69.89
    Save 30%
    compared to  $99.95
    3 reviews with an average rating of 4.3 out of 5 stars
    Underwear Weight:
    Heavyweight
    Size Type:
    Regular, Big, Tall
  • Sale Ends Nov 25

    REI Co-opMidweight Base Layer Bottoms - Kids'

    $24.39
    Save 30%
    compared to  $34.95
    0 reviews
    Underwear Weight:
    Midweight
    Size Type:
    Regular
  • Sale Ends Nov 25

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

    $67.49
    Save 25%
    compared to  $90.00
    9 reviews with an average rating of 3.9 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular, Big
  • Sale Ends Today

    SmartwoolIntraknit Thermal Merino Base Layer Bottoms - Women's

    $74.73
    Save 42%
    compared to  $130.00
    3 reviews with an average rating of 2.0 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular
    REI OUTLET
  • Sale Ends Nov 25

    SmartwoolIntraknit Thermal Merino Base Layer Bottoms - Women's

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

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

    $67.49
    Save 25%
    compared to  $90.00
    8 reviews with an average rating of 4.6 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular, Plus
  • Sale Ends Nov 25

    REI Co-opMerino Midweight Base Layer Bottoms - Kids'

    $34.89
    Save 30%
    compared to  $49.95
    13 reviews with an average rating of 4.5 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular
  • Sale Ends Nov 25

    Icebreaker260 Merino Tech Thermal Leggings with Fly - Men's

    $93.69
    Save 25%
    compared to  $125.00
    19 reviews with an average rating of 4.3 out of 5 stars
    Underwear Weight:
    Heavyweight
    Size Type:
    Regular, Big
  • Sale Ends Nov 25

    SmartwoolClassic Thermal Merino Base Layer Bottoms - Kids'

    $48.69
    Save 25%
    compared to  $65.00
    0 reviews
    Underwear Weight:
    Midweight
    Size Type:
    Regular
  • Sale Ends Nov 25
    Top Rated

    REI Co-opMidweight Base Layer Bottoms - Toddlers'

    $17.39
    Save 30%
    compared to  $24.95
    7 reviews with an average rating of 4.9 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular
  • Sale Ends Nov 25
    Top Rated

    SmartwoolClassic Thermal Merino 3/4 Base Layer Bottoms - Men's

    $78.69
    Save 25%
    compared to  $105.00
    77 reviews with an average rating of 4.6 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular, Big
  • Sale Ends Nov 25
    Top Rated

    IcebreakerMerino 200 Oasis Base Layer Leggings with Fly - Men's

    $78.69
    Save 25%
    compared to  $105.00
    26 reviews with an average rating of 4.7 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular, Big
  • Sale Ends Nov 25

    Icebreaker260 Tech High-Rise Base Layer Leggings - Women's

    $93.69
    Save 25%
    compared to  $125.00
    1 reviews with an average rating of 5.0 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular
  • Sale Ends Nov 25

    SmartwoolIntraknit Thermal Merino Base Layer Bottoms - Men's

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

    Kari TraaSara Base Layer Pants - Women's

    $74.99
    Save 25%
    compared to  $100.00
    0 reviews
    Underwear Weight:
    Heavyweight
    Size Type:
    Regular
  • Sale Ends Nov 25
    Top Rated

    REI Co-opLightweight Base Layer Bottoms - Kids'

    $20.89
    Save 30%
    compared to  $29.95
    9 reviews with an average rating of 4.7 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular
  • Sale Ends Nov 25
    Top Rated

    REI Co-opLightweight Base Layer Bottoms - Infants'/Toddlers'

    $13.89
    Save 30%
    compared to  $19.95
    6 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 Bottoms - Men's Tall Sizes

    $55.89
    Save 30%
    compared to  $79.95
    13 reviews with an average rating of 3.9 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Tall, Big
  • Sale Ends Nov 25

    SmartwoolClassic All-Season Merino 3/4 Base Layer Bottoms - Men's

    $56.19
    Save 25%
    compared to  $75.00
    2 reviews with an average rating of 5.0 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular, Big
1–30 of 132 products
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