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Smartwool Women's Base Layer Tops

(18 products)
Products (18)
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    SmartwoolClassic All-Season Merino Long-Sleeve Base Layer Top - Women's
    $49.83 - $74.99
    Save 25% - 50%
    compared to  $100.00
    100 reviews with an average rating of 4.4 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular, Plus
  • Sale Ends May 25
    Top Rated
    SmartwoolClassic Thermal Merino Crew Base Layer Top - Women's
    $93.69
    Save 25%
    compared to  $125.00
    1222 reviews with an average rating of 4.7 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular, Plus
    Top Rated
    SmartwoolClassic Thermal Merino Quarter-Zip Base Layer Top - Women's
    $49.83 - $97.49
    Save 25% - 61%
    compared to  $130.00
    72 reviews with an average rating of 4.7 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Plus, Regular
    SmartwoolIntraknit Thermal Merino Crew Base Layer Top - Women's
    $49.83 - $112.49
    Save 25% - 66%
    compared to  $150.00
    199 reviews with an average rating of 4.2 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular
  • Sale Ends May 25
    SmartwoolClassic All-Season Merino T-Shirt - Women's
    $59.99 - $71.19
    Save 25% - 36%
    compared to  $95.00
    110 reviews with an average rating of 4.3 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular, Plus
  • Text reads: ‘Anniversary Sale 2026. 25% off’ over a collage of Smartwool long-sleeve shirts and colorful socks.

    Save 25% on all Smartwool clothing

    Top Rated
    SmartwoolClassic All-Season Merino Quarter-Zip Base Layer Top - Women's
    $69.73
    Save 26%
    compared to  $95.00
    6 reviews with an average rating of 4.5 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular
    REI OUTLET
    SmartwoolIntraknit Thermal Merino Colorblock Quarter-Zip Base Layer Top - Women's
    $49.83 - $104.99
    Save 25% - 64%
    compared to  $140.00
    8 reviews with an average rating of 4.3 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular
    Top Rated
    SmartwoolClassic Thermal Merino Crew Base Layer Top - Women's
    $81.73 - $84.73
    Save 26% - 28%
    compared to  $115.00
    440 reviews with an average rating of 4.7 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular
    REI OUTLET
    Top Rated
    SmartwoolClassic Thermal Merino Base Layer Quarter-Zip - Women's
    $89.73
    Save 25%
    compared to  $120.00
    72 reviews with an average rating of 4.7 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular
    REI OUTLET
  • Sale Ends May 25
    SmartwoolIntraknit AS Merino Base Layer Crew Top - Women's
    $93.69
    Save 25%
    compared to  $125.00
    0 reviews
    Underwear Weight:
    Midweight
    Size Type:
    Regular
  • Sale Ends May 25
    Top Rated
    SmartwoolClassic All-Season Merino Quarter-Zip Base Layer Top - Women's
    $78.69
    Save 25%
    compared to  $105.00
    6 reviews with an average rating of 4.5 out of 5 stars
    Size Type:
    Regular
    SmartwoolClassic Thermal Merino Half-Zip Base Layer Hoodie - Women's
    $108.73
    Save 25%
    compared to  $145.00
    0 reviews
    Underwear Weight:
    Midweight
    Size Type:
    Regular
    REI OUTLET
    SmartwoolIntraknit Thermal Merino Crew Base Layer Top - Women's
    $96.73
    Save 25%
    compared to  $130.00
    130 reviews with an average rating of 4.2 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular
    REI OUTLET
    SmartwoolIntraknit Thermal Max Merino Quarter-Zip Base Layer Top - Women's
    $115.73
    Save 25%
    compared to  $155.00
    0 reviews
    Underwear Weight:
    Heavyweight
    Size Type:
    Regular
    REI OUTLET
    SmartwoolClassic Thermal Merino Mock Neck Base Layer Top - Women's
    $104.73
    Save 25%
    compared to  $140.00
    0 reviews
    Underwear Weight:
    Midweight
    Size Type:
    Regular
    REI OUTLET
    SmartwoolIntraknit Thermal Max Merino Base Layer Pattern Hoodie - Women's
    $114.73
    Save 30%
    compared to  $165.00
    2 reviews with an average rating of 5.0 out of 5 stars
    Size Type:
    Regular
    REI OUTLET
    SmartwoolIntraknit Thermal Merino Pattern Crew Base Layer Top - Women's
    $96.73
    Save 25%
    compared to  $130.00
    50 reviews with an average rating of 4.3 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular
    REI OUTLET
    Top Rated
    SmartwoolClassic Thermal Merino Colorblock Crew Base Layer Top - Women's
    $49.83
    Save 61%
    compared to  $130.00
    5 reviews with an average rating of 5.0 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular
  • Limited time only! The R E I Co-op Mastercard.

    Get $130 in value

    When approved for the REI Co-op Mastercard by May 25, you’ll get $30 in card rewards. Plus, you can earn a $100 REI gift card after your first non-REI purchase within 60 days from account opening. Terms apply.

Sort: Best Match

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