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Women's Base Layers: Deals

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Products (160)
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  • Sale Ends Mar 23
    REI Co-opMidweight Long-Sleeve Base Layer Top - Women's
    $41.19
    Save 25%
    compared to  $54.95
    319 reviews with an average rating of 4.2 out of 5 stars
    REI Co-opHeavyweight Merino Long-Sleeve Base Layer Crew Top - Women's
    $49.83 - $99.95
    44 reviews with an average rating of 4.4 out of 5 stars
  • Sale Ends Mar 23
    REI Co-opMerino 185 Long-Sleeve Base Layer Top - Women's
    $59.89
    Save 25%
    compared to  $79.95
    239 reviews with an average rating of 4.4 out of 5 stars
    Top Rated
    REI Co-opHeavyweight Merino Base Layer Half-Zip Top - Women's
    $51.83 - $104.95
    31 reviews with an average rating of 4.7 out of 5 stars
    New arrival
    SmartwoolClassic Thermal Merino Crew Base Layer Top - Women's
    $84.73
    Save 26%
    compared to  $115.00
    0 reviews
    REI OUTLET
  • Sale Ends Mar 23
    REI Co-opMerino 185 Base Layer Bottoms - Women's
    $59.89
    Save 25%
    compared to  $79.95
    121 reviews with an average rating of 4.2 out of 5 stars
    REI Co-opHeavyweight Merino Base Layer Bottoms - Women's
    $49.83 - $99.95
    33 reviews with an average rating of 4.4 out of 5 stars
    Top Rated
    SmartwoolClassic Thermal Merino Crew Base Layer Top - Women's
    $79.93 - $125.00
    1213 reviews with an average rating of 4.7 out of 5 stars
    Top Rated
    Kari TraaRose High-Waisted Base Layer Pants - Women's
    $64.83 - $120.00
    14 reviews with an average rating of 4.5 out of 5 stars
  • Sale Ends Mar 23
    REI Co-opMidweight Base Layer Tights - Women's
    $41.19
    Save 25%
    compared to  $54.95
    125 reviews with an average rating of 4.3 out of 5 stars
    Kari TraaAnna Half-Zip Base Layer Top - Women's
    $59.83 - $120.00
    0 reviews
    New arrival
    SmartwoolClassic All-Season Merino Base Layer Bottoms - Women's
    $66.73
    Save 25%
    compared to  $90.00
    0 reviews
    REI OUTLET
    SmartwoolClassic Thermal Merino Base Layer Bottoms - Women's
    $79.93 - $125.00
    762 reviews with an average rating of 4.4 out of 5 stars
  • Sale Ends Mar 23
    REI Co-opMidweight Base Layer Half-Zip Top - Women's
    $44.89
    Save 25%
    compared to  $59.95
    192 reviews with an average rating of 4.4 out of 5 stars
    Kari TraaFryd Base Layer Top - Women's
    $31.83 - $60.00
    29 reviews with an average rating of 4.0 out of 5 stars
    Top Rated
    PatagoniaCapilene Midweight Crew Base Layer Top - Women's
    $49.83 - $89.00
    51 reviews with an average rating of 4.6 out of 5 stars
    Kari TraaRose Half-Zip Base Layer Top - Women's
    $69.83 - $140.00
    30 reviews with an average rating of 4.5 out of 5 stars
  • Sale Ends Mar 23
    REI Co-opMerino 185 Base Layer Top - Women's
    $52.39
    Save 25%
    compared to  $69.95
    61 reviews with an average rating of 4.3 out of 5 stars
    SmartwoolClassic All-Season Merino Long-Sleeve Base Layer Top - Women's
    $69.93 - $100.00
    134 reviews with an average rating of 4.4 out of 5 stars
    Kari TraaEmbla Wool Long-Sleeve Base Layer Top - Women's
    $44.83 - $90.00
    0 reviews
  • The R E I Co-op Mastercard. Earn 15% total R E I rewards.

    Earn 15% in total rewards

    Get 5% on all REI Co-op purchases plus the 10% Co-op Member Reward you earn on eligible full-price purchases.



    Terms apply
    IcebreakerMerino 200 Oasis Long-Sleeve Crewe Base Layer Top - Women's
    $59.83 - $120.00
    1 reviews with an average rating of 4.0 out of 5 stars
    Kari TraaSmekker Half-Zip Base Layer Top - Women's
    $69.83 - $140.00
    21 reviews with an average rating of 4.0 out of 5 stars
    Kari TraaFryd Base Layer Pants - Women's
    $31.83 - $60.00
    18 reviews with an average rating of 3.4 out of 5 stars
    Top Rated
    SmartwoolClassic Thermal Merino Quarter-Zip Base Layer Top - Women's
    $89.93 - $130.00
    64 reviews with an average rating of 4.7 out of 5 stars
    tasc PerformanceElevation Merino T-Shirt - Women's
    $54.73
    Save 30%
    compared to  $79.00
    93 reviews with an average rating of 4.3 out of 5 stars
    REI OUTLET
    SmartwoolClassic All-Season Merino Base Layer Bottoms - Women's
    $69.93 - $100.00
    24 reviews with an average rating of 4.2 out of 5 stars
    Top Rated
    IcebreakerMerino 200 Oasis Long-Sleeve Crewe Thermal Top - Women's
    $51.83 - $120.00
    179 reviews with an average rating of 4.7 out of 5 stars
    Kari TraaKlara High-Waisted Base Layer Pants - Women's
    $62.73 - $66.73
    Save 25% - 30%
    compared to  $90.00
    14 reviews with an average rating of 3.9 out of 5 stars
    REI OUTLET
    PatagoniaCapilene Midweight Base Layer Bottoms - Women's
    $61.93 - $89.00
    28 reviews with an average rating of 4.2 out of 5 stars
    Kari TraaRose Light Capri Base Layer Pants - Women's
    $74.73
    Save 25%
    compared to  $100.00
    2 reviews with an average rating of 4.5 out of 5 stars
    REI OUTLET
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