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Underwear: Deals

(267 products)
Products (267)
Sort: Best Match
    SmartwoolClassic Thermal Merino Base Layer Bottoms - Women's
    $86.97
    Save 30%
    compared to  $125.00
    REI Outlet
    289 reviews with an average rating of 4.3 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Plus, Regular
    Boody Eco WearFull Briefs - Women's - Package of 2
    $26.73
    Save 21%
    compared to  $33.95
    REI Outlet
    5 reviews with an average rating of 4.4 out of 5 stars
    Size Type:
    Regular
    SmartwoolClassic Thermal Merino Base Layer Quarter-Zip - Women's
    $89.97
    Save 30%
    compared to  $130.00
    REI Outlet
    Top Rated
    1103 reviews with an average rating of 4.7 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular
    JanjiGroundwork Long Bra
    $35.83 - $80.00
    36 reviews with an average rating of 3.8 out of 5 stars
    Bra Support:
    Medium Impact
    Support Style:
    Compression / Encapsulation
    Fabric:
    68% nylon/32% spandex
    SmartwoolClassic Thermal Merino Crew Base Layer Top - Women's
    $79.97 - $86.97
    Save 30%
    compared to  $115.00 - $125.00
    REI Outlet
    Top Rated
    1559 reviews with an average rating of 4.8 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular
    SmartwoolClassic All-Season Merino Base Layer Long-Sleeve Shirt - Women's
    $69.97
    Save 30%
    compared to  $100.00
    REI Outlet
    Top Rated
    436 reviews with an average rating of 4.6 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular
    REI Co-opLightweight Base Layer Tights - Women's
    $29.93 - $44.95
    Top Rated
    12 reviews with an average rating of 4.6 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular, Plus, Petite
    SmartwoolIntraknit Thermal Merino Crew Base Layer Top - Women's
    $96.73
    Save 25%
    compared to  $130.00
    REI Outlet
    239 reviews with an average rating of 4.3 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular
    tasc PerformanceElevation Merino Base Layer Bottoms - Men's
    $54.73
    Save 30%
    compared to  $79.00
    REI Outlet
    45 reviews with an average rating of 4.0 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular, Big
    SmartwoolIntraknit Thermal Merino Base Layer 3/4 Bottoms - Men's
    $89.73
    Save 25%
    compared to  $120.00
    REI Outlet
    1 reviews with an average rating of 5.0 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular, Big
    SmartwoolIntraknit Merino 3/4 Base Layer Bottoms - Women's
    $83.87
    Save 30%
    compared to  $120.00
    REI Outlet
    0 reviews
    Underwear Weight:
    Midweight
    Size Type:
    Regular
    BrooksConvertible 2.0 Sports Bra
    $31.83 - $60.00
    192 reviews with an average rating of 3.9 out of 5 stars
    Bra Support:
    High Impact
    Support Style:
    Compression
    Fabric:
    Shell 1: 79% recycled polyester/21% spandex; shell 2: 78% recycled polyester/22% spandex
    REI Co-opLightweight Long-Sleeve Crew Base Layer Top - Men's
    $29.93 - $44.95
    Top Rated
    53 reviews with an average rating of 4.5 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular, Big
    SmartwoolIntraknit Thermal Merino Crew Base Layer Top - Men's
    $92.73 - $96.73
    Save 25% - 28%
    compared to  $130.00
    REI Outlet
    251 reviews with an average rating of 4.4 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular, Big
    REI Co-opLightweight Long-Sleeve Crew Base Layer Top - Women's
    $29.93 - $44.95
    Top Rated
    51 reviews with an average rating of 4.5 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular, Plus
    SmartwoolClassic Thermal Merino Base Layer Quarter-Zip - Men's
    $89.73
    Save 25%
    compared to  $120.00
    REI Outlet
    Top Rated
    71 reviews with an average rating of 4.7 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular
  • A yellow Member Bonus Card and two holiday-themed gift cards on a light colored background.

    Give the gift of the outdoors

    Members, get a $25 bonus e-card when you buy a $130+ gift card. Terms apply.

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    StanceLava Lamp Boxer Briefs - Men's
    $19.97
    Save 37%
    compared to  $32.00
    REI Outlet
    0 reviews
    Size Type:
    Regular, Big
    StanceUtopia Boxer Briefs - Men's
    $14.97
    Save 40%
    compared to  $25.00
    REI Outlet
    0 reviews
    Size Type:
    Regular
    SmartwoolIntraknit Thermal Max Merino Quarter-Zip Base Layer Top - Women's
    $107.87
    Save 30%
    compared to  $155.00
    REI Outlet
    30 reviews with an average rating of 4.3 out of 5 stars
    Underwear Weight:
    Heavyweight
    Size Type:
    Regular
    REI Co-opLightweight Base Layer Bottoms - Men's
    $29.93 - $44.95
    Top Rated
    32 reviews with an average rating of 4.6 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular, Big, Tall
    SmartwoolClassic Thermal Merino Colorblock Crew Base Layer Top - Men's
    $90.87
    Save 30%
    compared to  $130.00
    REI Outlet
    2 reviews with an average rating of 5.0 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular, Big
    tasc PerformanceElevation Merino T-Shirt - Women's
    $54.73
    Save 30%
    compared to  $79.00
    REI Outlet
    98 reviews with an average rating of 4.4 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular, Plus
    SmartwoolClassic Thermal Merino Base Layer Hoodie - Men's
    $108.73
    Save 25%
    compared to  $145.00
    REI Outlet
    Top Rated
    5 reviews with an average rating of 5.0 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular, Big
    SmartwoolIntraknit Thermal Max Merino Quarter-Zip Base Layer Top - Men's
    $107.87
    Save 30%
    compared to  $155.00
    REI Outlet
    0 reviews
    Underwear Weight:
    Heavyweight
    Size Type:
    Regular, Big
    SmartwoolClassic Thermal Merino Quarter-Zip Base Layer Top - Women's
    $89.93 - $130.00
    Top Rated
    1093 reviews with an average rating of 4.7 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular, Plus
    Panache SportBoundless Non Wired Sports Bra
    $39.43 - $79.00
    21 reviews with an average rating of 4.2 out of 5 stars
    Bra Support:
    High Impact
    Support Style:
    Encapsulation
    Fabric:
    69% polyester/20% elastane/11% polyamide
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    $130 in value

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    Panache SportEndurance Wired Sports Bra
    $41.83 - $84.00
    17 reviews with an average rating of 4.4 out of 5 stars
    Bra Support:
    High Impact
    Support Style:
    Encapsulation
    Fabric:
    49% polyamide/29% polyester/19% LYCRA Adaptiv/2% TACTEL/1% elastane
    SmartwoolClassic Thermal Merino Half-Zip Base Layer Hoodie - Women's
    $108.73
    Save 25%
    compared to  $145.00
    REI Outlet
    1 reviews with an average rating of 5.0 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular
    tasc PerformanceElevation Merino T-Shirt - Men's
    $54.73
    Save 30%
    compared to  $79.00
    REI Outlet
    57 reviews with an average rating of 4.4 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular, Big
    Hot ChillysOriginals Solid Base Layer Pants - Kids'
    $34.73
    Save 29%
    compared to  $49.00
    REI Outlet
    0 reviews
    Underwear Weight:
    Midweight
    Size Type:
    Regular
Sort: Best Match

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