Skip to search results
loaded 37 results

Smartwool Merino Wool Women's Underwear

(37 products)
Products (37)
Remove brand filter:SmartwoolRemove features filter:Merino WoolClear all
Sort: Best Match
    New arrival
    SmartwoolClassic Thermal Merino Crew Base Layer Top - Women's
    $84.73
    Save 26%
    compared to  $115.00
    0 reviews
    Underwear Weight:
    Midweight
    Size Type:
    Regular
    REI OUTLET
    New arrival
    SmartwoolClassic All-Season Merino Base Layer Bottoms - Women's
    $66.73
    Save 25%
    compared to  $90.00
    0 reviews
    Underwear Weight:
    Lightweight
    Size Type:
    Regular
    REI OUTLET
    SmartwoolClassic All-Season Merino Long-Sleeve Base Layer Top - Women's
    $69.93 - $100.00
    136 reviews with an average rating of 4.4 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular, Plus
    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
    Underwear Weight:
    Midweight
    Size Type:
    Regular, Plus
    Top Rated
    SmartwoolClassic Thermal Merino Quarter-Zip Base Layer Top - Women's
    $89.93 - $130.00
    58 reviews with an average rating of 4.8 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular, Plus
    SmartwoolClassic Thermal Merino Base Layer Bottoms - Women's
    $125.00
    762 reviews with an average rating of 4.4 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular
    SmartwoolClassic All-Season Merino T-Shirt - Women's
    $95.00
    98 reviews with an average rating of 4.2 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular, Plus
    SmartwoolIntraknit Thermal Merino Crew Base Layer Top - Women's
    $99.93 - $150.00
    199 reviews with an average rating of 4.2 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular
    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
    Underwear Weight:
    Lightweight
    Size Type:
    Regular, Plus
    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
    Top Rated
    SmartwoolClassic Thermal Merino Crew Base Layer Top - Women's
    $81.73 - $84.73
    Save 26% - 28%
    compared to  $115.00
    431 reviews with an average rating of 4.7 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular
    REI OUTLET
    SmartwoolIntraknit Thermal Merino Base Layer Bottoms - Women's
    $99.93 - $150.00
    30 reviews with an average rating of 4.2 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular
    SmartwoolIntraknit Thermal Merino Colorblock Quarter-Zip Base Layer Top - Women's
    $89.93 - $140.00
    7 reviews with an average rating of 4.3 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular
    SmartwoolIntraknit AS Merino Base Layer Bottoms - Women's
    $125.00
    0 reviews
    Underwear Weight:
    Midweight
    Size Type:
    Regular
    New arrival
    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
    SmartwoolActive Crop Bra
    $49.73 - $54.73
    Save 27% - 28%
    compared to  $70.00 - $75.00
    3 reviews with an average rating of 3.3 out of 5 stars
    Bra Support:
    Low Impact
    Support Style:
    Compression
    Fabric:
    Main body: 87% recycled nylon/13% elastane; lining: 53% merino wool/47% TENCEL lyocell
    REI OUTLET
    SmartwoolClassic Thermal Merino Colorblock Crew Base Layer Top - Women's
    $89.93
    Save 30%
    compared to  $130.00
    1 reviews with an average rating of 5.0 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular
    SmartwoolMerino Blend Bralette
    $70.00
    1 reviews with an average rating of 3.0 out of 5 stars
    Bra Support:
    Low Impact
    Support Style:
    Encapsulation
    Fabric:
    37% merino wool/37% TENCEL lyocell/13% nylon/12% elastane/1% polyester
    SmartwoolIntraknit Strappy Bra
    $80.00
    2 reviews with an average rating of 2.5 out of 5 stars
    Bra Support:
    Low Impact
    Support Style:
    Compression
    Fabric:
    69% nylon/35% TENCEL lyocell/17% elastane/14% polyester (exclusive of decoration)
    New arrival
    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
  • 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
    SmartwoolClassic Thermal Merino Base Layer Bottoms - Women's Plus Sizes
    $79.93 - $125.00
    19 reviews with an average rating of 4.4 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Plus
    New arrival
    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 All-Season Merino Quarter-Zip Base Layer Top - Women's
    $69.93 - $105.00
    3 reviews with an average rating of 4.7 out of 5 stars
    Size Type:
    Regular
    SmartwoolIntraknit AS Merino Base Layer Crew Top - Women's
    $125.00
    0 reviews
    Underwear Weight:
    Midweight
    Size Type:
    Regular
    SmartwoolMerino Bikini Underwear - Boxed - Women's
    $35.00
    1 reviews with an average rating of 5.0 out of 5 stars
    Size Type:
    Regular
    SmartwoolIntraknit Racerback Bra
    $29.73
    Save 54%
    compared to  $65.00
    9 reviews with an average rating of 3.7 out of 5 stars
    Bra Support:
    Low Impact
    Support Style:
    Compression
    Fabric:
    62% nylon/28% elastane/10% polyester (exclusive of decoration)
    REI OUTLET
    SmartwoolIntraknit Racerback Bra
    $80.00
    1 reviews with an average rating of 4.0 out of 5 stars
    Bra Support:
    Low Impact
    Support Style:
    Compression
    Fabric:
    69% nylon/35% TENCEL lyocell/17% elastane/14% polyester (exclusive of decoration)
    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
    SmartwoolActive Crop Bra
    $75.00
    3 reviews with an average rating of 3.3 out of 5 stars
    Bra Support:
    Low Impact
    Support Style:
    Compression
    Fabric:
    Main: 87% nylon/13% elastane (exclusive of decoration)
    New arrival
    SmartwoolIntraknit Merino 3/4 Base Layer Bottoms - Women's
    $89.73
    Save 25%
    compared to  $120.00
    0 reviews
    Underwear Weight:
    Midweight
    Size Type:
    Regular
    REI OUTLET
1–30 of 37 products
Sort: Best Match

Related Expert Advice articles