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Polyester Base Layers

(93 products)
Products (93)
Remove fabric-type filter:Polyester / Polyester Blend
Sort: Best Match
    REI Co-opMidweight Base Layer Bottoms - Men's
    $54.95
    98 reviews with an average rating of 4.5 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular, Big, Tall
    REI Co-opMidweight Base Layer Tights - Women's
    $54.95
    122 reviews with an average rating of 4.3 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular, Plus, Petite
    Top Rated
    REI Co-opMidweight Long-Sleeve Base Layer Top - Men's
    $37.93 - $54.95
    192 reviews with an average rating of 4.6 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular, Big, Tall
    REI Co-opMidweight Long-Sleeve Base Layer Top - Women's
    $54.95
    315 reviews with an average rating of 4.2 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular, Plus
    Top Rated
    REI Co-opMidweight Base Layer Half-Zip Top - Men's
    $41.93 - $59.95
    175 reviews with an average rating of 4.6 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular, Big, Tall
    REI Co-opLightweight Long-Sleeve Crew Base Layer Top - Men's
    $44.95
    31 reviews with an average rating of 4.4 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular, Big, Tall
    Top Rated
    REI Co-opLightweight Base Layer Bottoms - Men's
    $44.95
    26 reviews with an average rating of 4.5 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular, Big, Tall
    REI Co-opMidweight Base Layer Half-Zip Top - Women's
    $59.95
    190 reviews with an average rating of 4.3 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular, Plus
    Top Rated
    Arc'teryxRho LT Crew Neck Base Layer Top - Men's
    $100.00
    40 reviews with an average rating of 4.8 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular, Big
    Top Rated
    Arc'teryxRho LT Zip-Neck Base Layer Top - Men's
    $120.00
    103 reviews with an average rating of 4.5 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular, Big
    Top Rated
    PatagoniaCapilene Midweight Crew Base Layer Top - Men's
    $89.00
    88 reviews with an average rating of 4.5 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular, Big
    Arc'teryxRho Base Layer Bottoms - Women's
    $24.83 - $100.00
    36 reviews with an average rating of 4.1 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular, Plus
    Top Rated
    Arc'teryxRho LT Base Layer Hoody - Men's
    $120.00
    57 reviews with an average rating of 5.0 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular, Big
    Top Rated
    PatagoniaCapilene Midweight Base Layer Bottoms - Men's
    $89.00
    59 reviews with an average rating of 4.5 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular, Big
    Arc'teryxRho LT Base Layer Bottoms - Men's
    $100.00
    58 reviews with an average rating of 4.3 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular, Big
    Top Rated
    REI Co-opLightweight Long-Sleeve Crew Base Layer Top - Women's
    $44.95
    30 reviews with an average rating of 4.6 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular, Plus
    Free CountryCloud Knit Crewneck Base Layer Top - Men's
    $26.73
    Save 33%
    compared to  $40.00
    8 reviews with an average rating of 4.0 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular, Big
    REI OUTLET
    Free CountryForce Grid Fleece Base Layer Top - Women's
    $34.73
    Save 36%
    compared to  $55.00
    7 reviews with an average rating of 4.4 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular, Plus
    REI OUTLET
    Top Rated
    Free CountryForce Grid Fleece Base Layer Top - Men's
    $29.73
    Save 33%
    compared to  $45.00
    17 reviews with an average rating of 4.9 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Big
    REI OUTLET
    Arc'teryxRho SV Zip-Neck Base Layer Top - Men's
    $140.00
    11 reviews with an average rating of 3.8 out of 5 stars
    Underwear Weight:
    Heavyweight
    Size Type:
    Regular, Big
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    Terms apply
    Free CountryForce Grid Fleece Base Layer Bottoms - Men's
    $29.73
    Save 33%
    compared to  $45.00
    18 reviews with an average rating of 4.0 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular, Big
    REI OUTLET
    Free CountryCloud Knit Base Layer Bottoms - Men's
    $26.73
    Save 33%
    compared to  $40.00
    3 reviews with an average rating of 5.0 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Big, Regular
    REI OUTLET
    Top Rated
    REI Co-opMidweight Base Layer Crew Top - Kids'
    $34.95
    8 reviews with an average rating of 4.9 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular
    Top Rated
    REI Co-opMidweight Base Layer Bottoms - Kids'
    $34.95
    14 reviews with an average rating of 4.7 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular
    REI Co-opLightweight Base Layer Tights - Women's
    $44.95
    9 reviews with an average rating of 4.4 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular, Plus, Petite
    Free CountryForce Grid Fleece Base Layer Bottoms - Women's
    $34.73
    Save 36%
    compared to  $55.00
    11 reviews with an average rating of 4.2 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular
    REI OUTLET
    Top Rated
    REI Co-opLightweight Crew Base Layer Top - Men's
    $14.83 - $34.95
    25 reviews with an average rating of 4.6 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular, Big, Tall
    PatagoniaCapilene Midweight Zip-Neck Base Layer Top - Men's
    $99.00
    66 reviews with an average rating of 4.5 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular, Big
    Top Rated
    Free CountryMicrotech Heat Cocarber Base Layer Top - Women's
    $39.73
    Save 33%
    compared to  $60.00
    10 reviews with an average rating of 4.6 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular, Plus
    REI OUTLET
    Arc'teryxRho SV Base Layer Bottoms - Men's
    $120.00
    0 reviews
    Underwear Weight:
    Heavyweight
    Size Type:
    Regular, Big
1–30 of 93 products
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