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Women's Base Layer Tops

(146 products)
Products (146)
Sort: Best Match
    REI Co-opMidweight Long-Sleeve Base Layer Top - Women's
    $26.83 - $54.95
    262 reviews with an average rating of 4.2 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular, Plus
    SmartwoolClassic All-Season Merino Long-Sleeve Base Layer Top - Women's
    $66.93 - $90.00
    119 reviews with an average rating of 4.4 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular, Plus
    Top Rated
    REI Co-opLightweight Long-Sleeve Crew Base Layer Top - Women's
    $39.95
    24 reviews with an average rating of 4.6 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular, Plus
    Kari TraaFryd Base Layer Top - Women's
    $29.83 - $65.00
    24 reviews with an average rating of 4.0 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular
    REI Co-opMidweight Base Layer Half-Zip Top - Women's
    $59.95
    152 reviews with an average rating of 4.4 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular, Plus
    Top Rated
    SmartwoolClassic Thermal Merino Crew Base Layer Top - Women's
    $81.73
    Save 28%
    compared to  $115.00
    Members use code OUTFALL25 for $20 off when you spend $100+ at REI Outlet.
    369 reviews with an average rating of 4.7 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular, Plus
    REI OUTLET
    tasc PerformanceElevation Merino T-Shirt - Women's
    $49.73 - $54.73
    Save 30% - 37%
    compared to  $79.00
    Members use code OUTFALL25 for $20 off when you spend $100+ at REI Outlet.
    77 reviews with an average rating of 4.5 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular, Plus
    REI OUTLET
    Top Rated
    SmartwoolClassic Thermal Merino Quarter-Zip Base Layer Top - Women's
    $120.00
    30 reviews with an average rating of 4.8 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular, Plus
    Top Rated
    SmartwoolClassic Thermal Merino Crew Base Layer Top - Women's
    $115.00
    1151 reviews with an average rating of 4.7 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular, Plus
    REI Co-opLightweight Half-Zip Base Layer Top - Women's
    $44.95
    1 reviews with an average rating of 5.0 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular, Plus
    SmartwoolClassic All-Season Merino T-Shirt - Women's
    $80.00
    90 reviews with an average rating of 4.2 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular, Plus
    REI Co-opMerino 185 Long-Sleeve Base Layer Top - Women's
    $79.95
    200 reviews with an average rating of 4.4 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular
    Top Rated
    REI Co-opLightweight Crew Base Layer Top - Women's
    $29.95
    13 reviews with an average rating of 4.8 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular, Plus
    Terramar2.0 Cloud Nine Half-Zip Base Layer Top - Women's
    $34.73
    Save 30%
    compared to  $50.00
    Members use code OUTFALL25 for $20 off when you spend $100+ at REI Outlet.
    0 reviews
    Underwear Weight:
    Midweight
    Size Type:
    Regular
    REI OUTLET
    Top Rated
    PatagoniaCapilene Midweight Crew Base Layer Top - Women's
    $59.93 - $89.00
    45 reviews with an average rating of 4.6 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular, Plus
    New arrival
    Kari TraaEloise Long-Sleeve Base Layer Top - Women's
    $52.73
    Save 24%
    compared to  $70.00
    Members use code OUTFALL25 for $20 off when you spend $100+ at REI Outlet.
    0 reviews
    Underwear Weight:
    Lightweight
    Size Type:
    Regular
    REI OUTLET
    REI Co-opMerino 185 Base Layer Top - Women's
    $69.95
    53 reviews with an average rating of 4.2 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular
    Arc'teryxLana Merino Wool Crew Base Layer Top - Women's
    $59.93
    Save 33%
    compared to  $90.00
    5 reviews with an average rating of 2.8 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular
    CraftCORE Dry Active Comfort Base Layer Top - Women's
    $39.73
    Save 38%
    compared to  $64.95
    Members use code OUTFALL25 for $20 off when you spend $100+ at REI Outlet.
    4 reviews with an average rating of 4.0 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular
    REI OUTLET
    Terramar3.0 Thermawool Crew Base Layer Top - Women's
    $49.73 - $52.73
    Save 24% - 28%
    compared to  $70.00
    Members use code OUTFALL25 for $20 off when you spend $100+ at REI Outlet.
    1 reviews with an average rating of 3.0 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular
    REI OUTLET
    Top Rated
    IcebreakerMerino 260 Tech Long-Sleeve Half-Zip Thermal Base Layer Top - Women's
    $99.73
    Save 26%
    compared to  $135.00
    Members use code OUTFALL25 for $20 off when you spend $100+ at REI Outlet.
    27 reviews with an average rating of 4.7 out of 5 stars
    Underwear Weight:
    Heavyweight
    Size Type:
    Regular, Plus
    REI OUTLET
    Top Rated
    IcebreakerMerino 200 Oasis Long-Sleeve Crewe Thermal Top - Women's
    $105.00
    139 reviews with an average rating of 4.7 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular, Plus
    Top Rated
    REI Co-opHeavyweight Merino Long-Sleeve Base Layer Crew Top - Women's
    $99.95
    25 reviews with an average rating of 4.6 out of 5 stars
    Underwear Weight:
    Heavyweight
    Size Type:
    Regular, Plus
    Kari TraaFryd Long-Sleeve Base Layer Top - Women's
    $44.73
    Save 25%
    compared to  $60.00
    Members use code OUTFALL25 for $20 off when you spend $100+ at REI Outlet.
    24 reviews with an average rating of 4.0 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular, Plus
    REI OUTLET
    New arrival
    Kari TraaVilma Half-Zip Base Layer Top - Women's
    $74.73
    Save 25%
    compared to  $100.00
    Members use code OUTFALL25 for $20 off when you spend $100+ at REI Outlet.
    0 reviews
    Underwear Weight:
    Midweight
    Size Type:
    Regular
    REI OUTLET
    Top Rated
    Black DiamondSolution 150 Merino Base Layer Crew Top - Women's
    $99.73
    Save 26%
    compared to  $135.00
    Members use code OUTFALL25 for $20 off when you spend $100+ at REI Outlet.
    20 reviews with an average rating of 4.9 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular
    REI OUTLET
    Top Rated
    IcebreakerMerino 200 Oasis Long-Sleeve Crewe Thermal Top - Women's
    $78.73
    Save 25%
    compared to  $105.00
    Members use code OUTFALL25 for $20 off when you spend $100+ at REI Outlet.
    139 reviews with an average rating of 4.7 out of 5 stars
    Size Type:
    Regular, Plus
    REI OUTLET
    SmartwoolClassic All-Season Merino Quarter-Zip Base Layer Top - Women's
    $95.00
    1 reviews with an average rating of 5.0 out of 5 stars
    Size Type:
    Regular
    SmartwoolIntraknit Thermal Merino Crew Base Layer Top - Women's
    $96.73
    Save 25%
    compared to  $130.00
    Members use code OUTFALL25 for $20 off when you spend $100+ at REI Outlet.
    120 reviews with an average rating of 4.3 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular
    REI OUTLET
    Top Rated
    IcebreakerMerino 200 Oasis Long-Sleeve Half-Zip Thermal Base Layer Top - Women's
    $84.73
    Save 26%
    compared to  $115.00
    Members use code OUTFALL25 for $20 off when you spend $100+ at REI Outlet.
    21 reviews with an average rating of 4.7 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular, Plus
    REI OUTLET
1–30 of 146 products
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