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Moisture Wicking Base Layers

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Products (303)
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  • Sale Ends May 26
    Top Rated
    REI Co-opMidweight Long-Sleeve Base Layer Top - Men's
    $38.39
    Save 30%
    compared to  $54.95
    150 reviews with an average rating of 4.5 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular, Big, Tall
  • Sale Ends May 26
    REI Co-opMidweight Long-Sleeve Base Layer Top - Women's
    $38.39
    Save 30%
    compared to  $54.95
    239 reviews with an average rating of 4.3 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular, Plus
    REI Co-opMerino 185 Base Layer Bottoms - Men's
    $39.83 - $55.89
    Save 30% - 50%
    compared to  $79.95
    124 reviews with an average rating of 4.4 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular, Big
  • Sale Ends May 26
    SmartwoolClassic Thermal Merino Base Layer Bottoms - Women's
    $86.19
    Save 25%
    compared to  $115.00
    735 reviews with an average rating of 4.5 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular
  • Sale Ends May 26
    Top Rated
    REI Co-opMidweight Base Layer Half-Zip Top - Men's
    $41.89
    Save 30%
    compared to  $59.95
    133 reviews with an average rating of 4.6 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular, Big, Tall
    Top Rated
    SmartwoolClassic Thermal Merino Crew Base Layer Top - Women's
    $79.93 - $86.19
    Save 25% - 30%
    compared to  $115.00
    1151 reviews with an average rating of 4.7 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular, Plus
  • Sale Ends May 26
    Top Rated
    REI Co-opLightweight Base Layer Bottoms - Men's
    $27.89
    Save 30%
    compared to  $39.95
    6 reviews with an average rating of 5.0 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular, Big, Tall
  • Sale Ends May 26
    REI Co-opMidweight Base Layer Tights - Women's
    $38.39
    Save 30%
    compared to  $54.95
    89 reviews with an average rating of 4.1 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular, Plus, Petite
  • Sale Ends May 26
    REI Co-opMidweight Base Layer Bottoms - Men's
    $38.39
    Save 30%
    compared to  $54.95
    77 reviews with an average rating of 4.4 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular, Big, Tall
  • Sale Ends May 26
    REI Co-opLightweight Long-Sleeve Crew Base Layer Top - Men's
    $27.89
    Save 30%
    compared to  $39.95
    1 reviews with an average rating of 5.0 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular, Big, Tall
  • Sale Ends May 26
    Top Rated
    SmartwoolClassic Thermal Merino Crew Base Layer Top - Men's
    $86.19
    Save 25%
    compared to  $115.00
    1505 reviews with an average rating of 4.7 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular, Big
    Top Rated
    Arc'teryxRho Heavyweight Base Layer Bottoms - Men's
    $84.83
    Save 29%
    compared to  $120.00
    62 reviews with an average rating of 4.7 out of 5 stars
    Underwear Weight:
    Heavyweight
    Size Type:
    Regular, Big
  • Sale Ends May 26
    REI Co-opMerino 185 Base Layer Bottoms - Women's
    $55.89
    Save 30%
    compared to  $79.95
    103 reviews with an average rating of 4.3 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular
  • Sale Ends May 26
    REI Co-opMerino 185 Long-Sleeve Base Layer Top - Men's
    $55.89
    Save 30%
    compared to  $79.95
    172 reviews with an average rating of 4.5 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular, Big
    Top Rated
    SmartwoolClassic Thermal Merino Quarter-Zip Base Layer Top - Women's
    $83.93 - $89.99
    Save 25% - 30%
    compared to  $120.00
    26 reviews with an average rating of 4.8 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular, Plus
  • Sale Ends May 26
    Top Rated
    REI Co-opLightweight Long-Sleeve Crew Base Layer Top - Women's
    $27.89
    Save 30%
    compared to  $39.95
    8 reviews with an average rating of 4.8 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular, Plus
    Top Rated
    tasc PerformanceElevation Merino T-Shirt - Women's
    $49.73
    Save 37%
    compared to  $79.00
    75 reviews with an average rating of 4.6 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular, Plus
    REI OUTLET
    SmartwoolClassic All-Season Merino Long-Sleeve Base Layer Top - Women's
    $62.93 - $67.49
    Save 25% - 30%
    compared to  $90.00
    105 reviews with an average rating of 4.4 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular, Plus
    Top Rated
    REI Co-opMerino 185 Long-Sleeve Half-Zip Base Layer Top - Women's
    $44.83 - $62.89
    Save 30% - 50%
    compared to  $89.95
    96 reviews with an average rating of 4.6 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular
  • Sale Ends May 26
    REI Co-opMerino 185 Long-Sleeve Base Layer Top - Women's
    $55.89
    Save 30%
    compared to  $79.95
    194 reviews with an average rating of 4.4 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular
    REI Co-opHeavyweight Merino Base Layer Half-Zip Top - Men's
    $49.83 - $73.39
    Save 30% - 52%
    compared to  $104.95
    14 reviews with an average rating of 3.9 out of 5 stars
    Underwear Weight:
    Heavyweight
    Size Type:
    Regular, Big, Tall
    REI Co-opMidweight Base Layer Half-Zip Top - Women's
    $29.83 - $41.89
    Save 30% - 50%
    compared to  $59.95
    134 reviews with an average rating of 4.4 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
    $49.83 - $73.39
    Save 26% - 50%
    compared to  $99.95
    25 reviews with an average rating of 4.6 out of 5 stars
    Underwear Weight:
    Heavyweight
    Size Type:
    Regular, Plus
  • Sale Ends May 26
    SmartwoolClassic All-Season Merino T-Shirt - Men's
    $59.99
    Save 25%
    compared to  $80.00
    54 reviews with an average rating of 4.2 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular, Big
  • Sale Ends May 26
    Top Rated
    REI Co-opMerino 185 Long-Sleeve Half-Zip Base Layer Top - Men's
    $62.89
    Save 30%
    compared to  $89.95
    103 reviews with an average rating of 4.6 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular, Big
    Top Rated
    SmartwoolIntraknit Thermal Merino Base Layer Quarter-Zip Top - Men's
    $69.83 - $104.99
    Save 25% - 50%
    compared to  $140.00
    10 reviews with an average rating of 4.9 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular, Big
  • Sale Ends May 26
    SmartwoolIntraknit Active Base Layer Bottoms - Women's
    $82.49
    Save 25%
    compared to  $110.00
    5 reviews with an average rating of 4.2 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular
    SmartwoolClassic All-Season Merino T-Shirt - Women's
    $55.93 - $59.99
    Save 25% - 30%
    compared to  $80.00
    70 reviews with an average rating of 4.2 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular, Plus
    PatagoniaCapilene Midweight Crew Base Layer Top - Kids'
    $26.93
    Save 30%
    compared to  $39.00
    1 reviews with an average rating of 5.0 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular
    Top Rated
    PatagoniaCapilene Midweight Crew Base Layer Top - Women's
    $89.00
    45 reviews with an average rating of 4.6 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular, Plus
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