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Long Sleeve Women's Base Layer Tops

(128 products)
Products (128)
Remove sleeve-length filter:Long Sleeve
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    SENIQWool Sculpt Merino Mock-Neck Long-Sleeve Base Layer Shirt - Women's
    $128.00
    1 reviews with an average rating of 3.0 out of 5 stars
    Underwear Weight:
    Heavyweight
    Size Type:
    Regular
    Top Rated
    IcebreakerMerino 260 Tech Long-Sleeve Half-Zip Base Layer Top - Women's
    $135.00
    33 reviews with an average rating of 4.7 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular, Plus
    Kari TraaSmekker Half-Zip Base Layer Top - Women's
    $89.73
    Save 30%
    compared to  $130.00
    Members use code OUTGIFT for an extra 20% off at REI Outlet, today only.
    19 reviews with an average rating of 4.3 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular
    REI OUTLET
    PatagoniaCapilene Thermal Weight Zip-Neck Long Underwear Top - Women's
    $109.00
    14 reviews with an average rating of 4.1 out of 5 stars
    Underwear Weight:
    Heavyweight
    Size Type:
    Regular
    Free CountryMicrotech Heat Cocarber Base Layer Top - Women's
    $39.73
    Save 33%
    compared to  $60.00
    Members use code OUTGIFT for an extra 20% off at REI Outlet, today only.
    2 reviews with an average rating of 5.0 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular, Plus
    REI OUTLET
    New arrival
    Terramar3.0 Altitude Turtleneck Base Layer Top - Women's
    $19.73
    Save 34%
    compared to  $30.00
    Members use code OUTGIFT for an extra 20% off at REI Outlet, today only.
    1 reviews with an average rating of 3.0 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular
    REI OUTLET
    Helly HansenLIFA Merino Midweight Graphic Crew Base Layer - Women's
    $79.73
    Save 27%
    compared to  $110.00
    Members use code OUTGIFT for an extra 20% off at REI Outlet, today only.
    4 reviews with an average rating of 4.5 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular
    REI OUTLET
    Helly HansenLIFA Merino Midweight 2-In-1 Graphic Half-Zip Base Layer Top - Women's
    $86.73
    Save 27%
    compared to  $120.00
    Members use code OUTGIFT for an extra 20% off at REI Outlet, today only.
    1 reviews with an average rating of 4.0 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular
    REI OUTLET
    SmartwoolIntraknit Thermal Merino Colorblock Quarter-Zip Base Layer Top - Women's
    $140.00
    5 reviews with an average rating of 4.0 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular
    Top Rated
    Kari TraaRose Half-Zip Base Layer Top - Women's
    $130.00 - $140.00
    49 reviews with an average rating of 4.6 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular, Plus
    SmartwoolClassic Thermal Merino Colorblock Crew Base Layer Top - Women's
    $130.00
    0 reviews
    Underwear Weight:
    Midweight
    Size Type:
    Regular
    Kari TraaRose Long-Sleeve Base Layer Top - Women's
    $79.73
    Save 27%
    compared to  $110.00
    Members use code OUTGIFT for an extra 20% off at REI Outlet, today only.
    0 reviews
    Underwear Weight:
    Heavyweight
    Size Type:
    Regular, Plus
    REI OUTLET
    Top Rated
    REI Co-opLightweight Half-Zip Base Layer Top - Women's
    $44.95
    12 reviews with an average rating of 4.7 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular, Plus
    Top Rated
    HalfdaysFay Midweight Merino Base Layer Top - Women's
    $130.00
    31 reviews with an average rating of 4.6 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular
    Kari TraaRose Light Base Layer Top - Women's
    $81.73
    Save 25%
    compared to  $110.00
    Members use code OUTGIFT for an extra 20% off at REI Outlet, today only.
    1 reviews with an average rating of 5.0 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular
    REI OUTLET
    Top Rated
    Icebreaker200 Oasis Long-Sleeve Half-Zip Base Layer Top - Women's
    $115.00
    35 reviews with an average rating of 4.7 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular, Plus
    SmartwoolIntraknit Active Base Layer Crew Shirt - Women's
    $79.73
    Save 27%
    compared to  $110.00
    Members use code OUTGIFT for an extra 20% off at REI Outlet, today only.
    3 reviews with an average rating of 5.0 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular
    REI OUTLET
    Kari TraaFaith Half-Zip Base Layer Top - Women's
    $86.73
    Save 27%
    compared to  $120.00
    Members use code OUTGIFT for an extra 20% off at REI Outlet, today only.
    0 reviews
    Underwear Weight:
    Heavyweight
    Size Type:
    Regular
    REI OUTLET
    PatagoniaCapilene Midweight Zip-Neck Base Layer Top - Women's
    $99.00
    28 reviews with an average rating of 4.4 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular
    Terramar3.0 Thermawool Crew Base Layer Top - Women's
    $49.73
    Save 28%
    compared to  $70.00
    Members use code OUTGIFT for an extra 20% off at REI Outlet, today only.
    1 reviews with an average rating of 3.0 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular
    REI OUTLET
    Top Rated
    Kari TraaRose Half-Zip Base Layer Top - Women's
    $89.73
    Save 25%
    compared to  $120.00
    Members use code OUTGIFT for an extra 20% off at REI Outlet, today only.
    49 reviews with an average rating of 4.6 out of 5 stars
    Underwear Weight:
    Heavyweight
    Size Type:
    Regular, Plus
    REI OUTLET
    Icebreaker125 ZoneKnit Long-Sleeve Crewe Base Layer Thermal Top - Women's
    $93.73
    Save 25%
    compared to  $125.00
    Members use code OUTGIFT for an extra 20% off at REI Outlet, today only.
    6 reviews with an average rating of 4.2 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular
    REI OUTLET
    SmartwoolIntraknit Thermal Merino Pattern Crew Base Layer Top - Women's
    $96.73
    Save 25%
    compared to  $130.00
    Members use code OUTGIFT for an extra 20% off at REI Outlet, today only.
    49 reviews with an average rating of 4.4 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular
    REI OUTLET
    Kari TraaVilma Half-Zip Base Layer Top - Women's
    $74.73
    Save 25%
    compared to  $100.00
    Members use code OUTGIFT for an extra 20% off at REI Outlet, today only.
    0 reviews
    Underwear Weight:
    Midweight
    Size Type:
    Regular
    REI OUTLET
    IcebreakerSiren Sweetheart Long Underwear Top - Women's
    $85.00
    27 reviews with an average rating of 4.4 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular
    Top Rated
    SmartwoolClassic Thermal Merino Crew Base Layer Top - Women's
    $81.73
    Save 28%
    compared to  $115.00
    Members use code OUTGIFT for an extra 20% off at REI Outlet, today only.
    398 reviews with an average rating of 4.7 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular
    REI OUTLET
    Kari TraaSmekker Long-Sleeve Base Layer Top - Women's
    $89.73
    Save 25%
    compared to  $120.00
    Members use code OUTGIFT for an extra 20% off at REI Outlet, today only.
    4 reviews with an average rating of 3.8 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular
    REI OUTLET
    Top Rated
    Arc'teryxRho Hoody Base Layer Top - Women's
    $120.00 - $140.00
    38 reviews with an average rating of 4.7 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular, Plus
    SmartwoolIntraknit Thermal Max Merino Base Layer Pattern Hoodie - Women's
    $114.73
    Save 30%
    compared to  $165.00
    Members use code OUTGIFT for an extra 20% off at REI Outlet, today only.
    1 reviews with an average rating of 5.0 out of 5 stars
    Size Type:
    Regular
    REI OUTLET
    Kari TraaFierce Long-Sleeve Base Layer Top - Women's
    $46.73
    Save 29%
    compared to  $66.00
    Members use code OUTGIFT for an extra 20% off at REI Outlet, today only.
    1 reviews with an average rating of 3.0 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular
    REI OUTLET
31–60 of 128 products
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