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Base Layer Bottoms: Deals

(81 products)
Products (81)
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Sort: Best Match
    Top Rated
    REI Co-opHeavyweight Merino Base Layer Bottoms - Men's
    $69.93 - $99.95
    17 reviews with an average rating of 4.8 out of 5 stars
    Underwear Weight:
    Heavyweight
    Size Type:
    Regular, Big, Tall
    REI Co-opMerino 185 Base Layer Bottoms - Men's
    $55.93 - $79.95
    157 reviews with an average rating of 4.2 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular, Big
    tasc PerformanceElevation Merino Base Layer Bottoms - Men's
    $34.73 - $54.73
    Save 30% - 56%
    compared to  $79.00
    41 reviews with an average rating of 4.0 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular, Big
    REI OUTLET
    Free CountryForce Grid Fleece Base Layer Bottoms - Men's
    $29.73
    Save 33%
    compared to  $45.00
    18 reviews with an average rating of 4.0 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular, Big
    REI OUTLET
    Top Rated
    Arc'teryxRho Insulated 3/4 Base Layer Bottoms - Men's
    $159.73
    Save 20%
    compared to  $200.00
    13 reviews with an average rating of 4.6 out of 5 stars
    Underwear Weight:
    Heavyweight
    Size Type:
    Regular, Big
    REI OUTLET
    TerramarC-Suite Mammoth Sherpa Fleece Mid-Layer Pants - Men's
    $56.73
    Save 29%
    compared to  $80.00
    2 reviews with an average rating of 3.0 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular, Big
    REI OUTLET
    REI Co-opHeavyweight Merino Base Layer Bottoms - Women's
    $69.93 - $99.95
    30 reviews with an average rating of 4.3 out of 5 stars
    Underwear Weight:
    Heavyweight
    Size Type:
    Regular, Plus
    Top Rated
    Icebreaker200 Sonebula Leggings - Men's
    $89.73
    Save 25%
    compared to  $120.00
    5 reviews with an average rating of 5.0 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular, Big
    REI OUTLET
    SmartwoolIntraknit Active Base Layer Bottoms - Men's
    $81.73
    Save 25%
    compared to  $110.00
    4 reviews with an average rating of 4.5 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Big
    REI OUTLET
    Free CountryCloud Knit Base Layer Bottoms - Men's
    $26.73
    Save 33%
    compared to  $40.00
    3 reviews with an average rating of 5.0 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Big, Regular
    REI OUTLET
    Arms of Andes300 Lightweight Alpaca Wool Base Layer Leggings - Men's
    $85.93
    Save 25%
    compared to  $115.00
    15 reviews with an average rating of 4.1 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular, Big
    Top Rated
    Icebreaker260 Tech High-Rise Base Layer Leggings - Women's
    $89.93 - $125.00
    21 reviews with an average rating of 4.6 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular
    Kari TraaKlara High-Waisted Base Layer Pants - Women's
    $62.73 - $66.73
    Save 25% - 30%
    compared to  $90.00
    13 reviews with an average rating of 3.8 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular
    REI OUTLET
    Arc'teryxRho LT Base Layer Bottoms - Men's
    $79.73
    Save 20%
    compared to  $100.00
    11 reviews with an average rating of 3.9 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Big
    REI OUTLET
    StioBasis PeakWool Midweight Base Layer Tights - Men's
    $103.93
    Save 30%
    compared to  $149.00
    3 reviews with an average rating of 5.0 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular, Big
    Icebreaker200 ZoneKnit Merino Thermal Base Layer Leggings - Men's
    $109.73
    Save 26%
    compared to  $150.00
    7 reviews with an average rating of 4.3 out of 5 stars
    Size Type:
    Regular, Big
    REI OUTLET
    Arms of Andes160 Ultralight Alpaca Wool Base Layer Leggings - Men's
    $62.93
    Save 25%
    compared to  $85.00
    5 reviews with an average rating of 3.8 out of 5 stars
    Underwear Weight:
    Ultralightweight
    Size Type:
    Regular, Big
    Arc'teryxRho Base Layer Bottoms - Women's
    $24.83 - $100.00
    37 reviews with an average rating of 4.1 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular, Plus
    PatagoniaCapilene Midweight Base Layer Bottoms - Women's
    $61.93 - $89.00
    27 reviews with an average rating of 4.1 out of 5 stars
    Size Type:
    Regular, Plus
    Arms of Andes160 Ultralight Alpaca Wool Base Layer Leggings - Men's
    $70.93
    Save 25%
    compared to  $95.00
    0 reviews
    Underwear Weight:
    Ultralightweight
    Size Type:
    Regular, Big
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    Terms apply
    tasc PerformanceElevation Merino Base Layer Bottoms - Women's
    $54.73
    Save 30%
    compared to  $79.00
    65 reviews with an average rating of 4.1 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular, Plus
    REI OUTLET
    Free CountryForce Grid Fleece Base Layer Bottoms - Women's
    $34.73
    Save 36%
    compared to  $55.00
    11 reviews with an average rating of 4.2 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular
    REI OUTLET
    Arms of Andes300 Lightweight Alpaca Wool 3/4 Base Layer Leggings - Men's
    $81.93
    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
    PatagoniaCapilene Thermal Weight Long Underwear Bottoms - Women's
    $68.93 - $99.00
    16 reviews with an average rating of 3.8 out of 5 stars
    Underwear Weight:
    Heavyweight
    Size Type:
    Regular
    Kari TraaSval Base Layer Pants - Women's
    $49.73
    Save 28%
    compared to  $70.00
    1 reviews with an average rating of 4.0 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular
    REI OUTLET
    Arc'teryxRho Base Layer Bottoms - Women's
    $79.73
    Save 20%
    compared to  $100.00
    13 reviews with an average rating of 4.1 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular
    REI OUTLET
    New arrival
    Mountain HardwearUp First Tech Fleece Base Layer Bottoms - Men's
    $74.73
    Save 25%
    compared to  $100.00
    3 reviews with an average rating of 4.3 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular, Big
    REI OUTLET
    SmartwoolClassic Thermal Merino Base Layer Bottoms - Kids'
    $47.93 - $65.00
    0 reviews
    Underwear Weight:
    Midweight
    Size Type:
    Regular
    Kari TraaFryd Base Layer Pants - Women's
    $40.73
    Save 25% - 32%
    compared to  $55.00 - $60.00
    18 reviews with an average rating of 3.4 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular, Plus
    REI OUTLET
    Top Rated
    Arc'teryxKyanite Base Layer Bottoms - Women's
    $96.73
    Save 19%
    compared to  $120.00
    27 reviews with an average rating of 4.6 out of 5 stars
    Underwear Weight:
    Heavyweight
    Size Type:
    Regular
    REI OUTLET
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