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Moisture Wicking Base Layers

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Products (327)
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    IcebreakerMerino 260 Vertex Long-Sleeve Half-Zip Herenga Base Layer Top - Women's
    $89.73
    Save 40%
    compared to  $150.00
    Members use code OUT4JUL25 for $20 off $100+ at REI Outlet
    0 reviews
    Size Type:
    Regular
    REI OUTLET
    Icebreaker125 ZoneKnit Crewe Base Layer Shirt - Women's
    $84.73
    Save 26%
    compared to  $115.00
    Members use code OUT4JUL25 for $20 off $100+ at REI Outlet
    0 reviews
    Underwear Weight:
    Lightweight
    Size Type:
    Regular
    REI OUTLET
    Kari TraaFloke Long-Sleeve Base Layer Top - Women's
    $74.73
    Save 25%
    compared to  $100.00
    Members use code OUT4JUL25 for $20 off $100+ at REI Outlet
    2 reviews with an average rating of 5.0 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular
    REI OUTLET
    Kari TraaLilja Base Layer Pants - Women's
    $49.73
    Save 24%
    compared to  $66.00
    Members use code OUT4JUL25 for $20 off $100+ at REI Outlet
    0 reviews
    Underwear Weight:
    Heavyweight
    Size Type:
    Regular
    REI OUTLET
    IcebreakerMerino 200 ZoneKnit Long-Sleeve Half-Zip Thermal Base Layer Top - Women's
    $119.73
    Save 25%
    compared to  $160.00
    Members use code OUT4JUL25 for $20 off $100+ at REI Outlet
    2 reviews with an average rating of 3.5 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular
    REI OUTLET
    Top Rated
    IcebreakerMerino 200 Sonebula Long-Sleeve High-Neck Base Layer Top - Women's
    $93.73
    Save 25%
    compared to  $125.00
    Members use code OUT4JUL25 for $20 off $100+ at REI Outlet
    6 reviews with an average rating of 4.5 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 - Men's
    $99.73
    Save 26%
    compared to  $135.00
    Members use code OUT4JUL25 for $20 off $100+ at REI Outlet
    34 reviews with an average rating of 4.5 out of 5 stars
    Underwear Weight:
    Heavyweight
    Size Type:
    Regular, Big
    REI OUTLET
    Kari TraaLucie Half-Zip Base Layer Top - Women's
    $67.73
    Save 24%
    compared to  $90.00
    Members use code OUT4JUL25 for $20 off $100+ at REI Outlet
    0 reviews
    Underwear Weight:
    Lightweight
    Size Type:
    Regular
    REI OUTLET
    Kari TraaMalia Long-Sleeve Base Layer Top - Women's
    $52.73
    Save 24%
    compared to  $70.00
    Members use code OUT4JUL25 for $20 off $100+ at REI Outlet
    0 reviews
    Underwear Weight:
    Midweight
    Size Type:
    Regular, Plus
    REI OUTLET
    Kari TraaSmekker Base Layer Pants - Women's
    $89.73
    Save 25%
    compared to  $120.00
    Members use code OUT4JUL25 for $20 off $100+ at REI Outlet
    1 reviews with an average rating of 2.0 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular
    REI OUTLET
    Top Rated
    IcebreakerMerino 260 Tech Long-Sleeve Turtleneck Base Layer - Men's
    $135.00
    8 reviews with an average rating of 4.6 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Big
    IcebreakerMerino 260 Tech Long-Sleeve Half-Zip Thermal Base Layer Top - Kids'
    $52.73
    Save 29%
    compared to  $75.00
    Members use code OUT4JUL25 for $20 off $100+ at REI Outlet
    4 reviews with an average rating of 4.5 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular
    REI OUTLET
    Kari TraaMalia Base Layer Pants - Women's
    $52.73
    Save 24%
    compared to  $70.00
    Members use code OUT4JUL25 for $20 off $100+ at REI Outlet
    0 reviews
    Underwear Weight:
    Midweight
    Size Type:
    Regular
    REI OUTLET
    Top Rated
    Icebreaker200 ZoneKnit Long-Sleeve Crewe Base Layer Thermal Top - Men's
    $109.73
    Save 26%
    compared to  $150.00
    Members use code OUT4JUL25 for $20 off $100+ at REI Outlet
    7 reviews with an average rating of 4.7 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular, Big
    REI OUTLET
    IcebreakerMerino 260 Vertex Long-Sleeve Crewe Thermal Base Layer Top - Women's
    $99.73
    Save 28%
    compared to  $140.00
    Members use code OUT4JUL25 for $20 off $100+ at REI Outlet
    5 reviews with an average rating of 4.0 out of 5 stars
    Underwear Weight:
    Heavyweight
    Size Type:
    Regular
    REI OUTLET
    Kari TraaLune Base Layer Pants - Women's
    $48.73
    Save 25%
    compared to  $65.00
    Members use code OUT4JUL25 for $20 off $100+ at REI Outlet
    1 reviews with an average rating of 3.0 out of 5 stars
    Underwear Weight:
    Heavyweight
    Size Type:
    Regular
    REI OUTLET
    Icebreaker125 ZoneKnit Thermal Base Layer Leggings - Women's
    $93.73
    Save 25%
    compared to  $125.00
    Members use code OUT4JUL25 for $20 off $100+ at REI Outlet
    0 reviews
    Underwear Weight:
    Midweight
    Size Type:
    Regular
    REI OUTLET
    Kari TraaRose High-Waist Base Layer Capris - Women's
    $74.73
    Save 25%
    compared to  $100.00
    Members use code OUT4JUL25 for $20 off $100+ at REI Outlet
    3 reviews with an average rating of 4.0 out of 5 stars
    Underwear Weight:
    Heavyweight
    Size Type:
    Regular
    REI OUTLET
    Kari TraaRose High-Waist Base Layer Pants - Women's
    $76.73
    Save 30%
    compared to  $110.00
    Members use code OUT4JUL25 for $20 off $100+ at REI Outlet
    24 reviews with an average rating of 4.4 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular
    REI OUTLET
    Top Rated
    IcebreakerMerino 125 ZoneKnit Long-Sleeve Half-Zip Base Layer Top - Men's
    $99.73
    Save 26%
    compared to  $135.00
    Members use code OUT4JUL25 for $20 off $100+ at REI Outlet
    10 reviews with an average rating of 4.8 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular, Big
    REI OUTLET
    Icebreaker200 ZoneKnit Thermal Base Layer Leggings - Women's
    $109.73
    Save 26%
    compared to  $150.00
    Members use code OUT4JUL25 for $20 off $100+ at REI Outlet
    4 reviews with an average rating of 4.8 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular
    REI OUTLET
    IcebreakerMerino 200 Sonebula Thermal Base Layer Leggings - Women's
    $120.00
    10 reviews with an average rating of 4.4 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular
    Icebreaker200 Oasis Macro Forms Base Layer Leggings - Women's
    $85.73
    Save 25%
    compared to  $115.00
    Members use code OUT4JUL25 for $20 off $100+ at REI Outlet
    4 reviews with an average rating of 5.0 out of 5 stars
    Size Type:
    Regular
    REI OUTLET
    IcebreakerMerino Blend 260 ZoneKnit Seamless Long-Sleeve Crew Base Layer Top - Women's
    $150.00
    1 reviews with an average rating of 3.0 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular
    IcebreakerMerino 260 Vertex Natural Shades Base Layer Leggings - Women's
    $104.73
    Save 25%
    compared to  $140.00
    Members use code OUT4JUL25 for $20 off $100+ at REI Outlet
    3 reviews with an average rating of 5.0 out of 5 stars
    Size Type:
    Regular
    REI OUTLET
    Kari TraaSara Base Layer Pants - Women's
    $100.00
    2 reviews with an average rating of 5.0 out of 5 stars
    Underwear Weight:
    Heavyweight
    Size Type:
    Regular
    Kari TraaSmekker Half-Zip Base Layer Top - Women's
    $130.00
    16 reviews with an average rating of 4.2 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular
301–327 of 327 products
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