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Sun-Protective Fabric Underwear

(78 products)
Products (78)
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    REI Co-opMerino 185 Crew Base Layer Top - Women's
    $74.95
    4 reviews with an average rating of 5.0 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular, Plus
    REI Co-opMerino 185 Base Layer Bottoms - Men's
    $84.95
    1 reviews with an average rating of 5.0 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular, Big, Tall
    REI Co-opMerino 185 Long-Sleeve Crew Base Layer Top - Men's
    $84.95
    4 reviews with an average rating of 4.8 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular, Big, Tall
    Top Rated
    REI Co-opLightweight Long-Sleeve Crew Base Layer Top - Men's
    $44.95
    51 reviews with an average rating of 4.5 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular, Big
    Top Rated
    REI Co-opLightweight Crew Base Layer Top - Women's
    $34.95
    43 reviews with an average rating of 4.7 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular, Plus
    Top Rated
    REI Co-opLightweight Long-Sleeve Crew Base Layer Top - Women's
    $44.95
    49 reviews with an average rating of 4.6 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular, Plus
    Top Rated
    REI Co-opLightweight Base Layer Bottoms - Men's
    $44.95
    31 reviews with an average rating of 4.6 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular, Big, Tall
    REI Co-opMerino 185 Long-Sleeve Crew Base Layer Top - Women's
    $84.95
    3 reviews with an average rating of 4.3 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular, Plus
    REI Co-opMidweight Half-Zip Base Layer Top - Women's
    $69.95
    3 reviews with an average rating of 4.7 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular, Plus
    IcebreakerMerino 200 Oasis Long-Sleeve Crewe Thermal Top - Men's
    $79.93 - $120.00
    91 reviews with an average rating of 4.5 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular, Big
    REI Co-opMerino 185 Half-Zip Base Layer Top - Men's
    $89.95
    2 reviews with an average rating of 5.0 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular, Big, Tall
    Top Rated
    REI Co-opLightweight Base Layer Tights - Women's
    $44.95
    12 reviews with an average rating of 4.6 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular, Plus, Petite
    Top Rated
    IcebreakerMerino 200 Oasis Long-Sleeve Crewe Thermal Top - Women's
    $120.00
    85 reviews with an average rating of 4.6 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular, Plus
    Terramar2.0 Cloud Nine Midweight Performance Base Layer Leggings - Women's
    $29.73
    Save 33%
    compared to  $45.00
    2 reviews with an average rating of 4.0 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular
    REI OUTLET
    REI Co-opMerino 185 Base Layer Bottoms - Women's
    $84.95
    1 reviews with an average rating of 5.0 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Petite, Regular, Plus
    Top Rated
    Icebreaker260 Tech Long-Sleeve Crewe Base Layer Top - Women's
    $140.00
    70 reviews with an average rating of 4.7 out of 5 stars
    Underwear Weight:
    Heavyweight
    Size Type:
    Regular, Plus
    REI Co-opMerino 185 Crew Base Layer Top - Men's
    $74.95
    2 reviews with an average rating of 4.5 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular, Big, Tall
    Terramar2.0 Cloud Nine Long-Sleeve Crew Base Layer Top - Women's
    $29.73
    Save 33%
    compared to  $45.00
    1 reviews with an average rating of 4.0 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular
    REI OUTLET
    REI Co-opMerino 185 Half-Zip Base Layer Top - Women's
    $89.95
    2 reviews with an average rating of 4.0 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular, Plus
    Top Rated
    REI Co-opLightweight Half-Zip Base Layer Top - Women's
    $49.95
    20 reviews with an average rating of 4.8 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular, Plus
    Terramar3.0 Merino Flex Base Layer Pants - Women's
    $59.73
    Save 29%
    compared to  $85.00
    0 reviews
    Underwear Weight:
    Midweight
    Size Type:
    Regular
    REI OUTLET
    Terramar3.0 Merino Flex Long-Sleeve Crew Base Layer Top - Women's
    $54.73
    Save 31%
    compared to  $80.00
    0 reviews
    Underwear Weight:
    Midweight
    Size Type:
    Regular
    REI OUTLET
    REI Co-opMidweight Long-Sleeve Crew Base Layer Top - Men's
    $64.95
    4 reviews with an average rating of 4.5 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular, Big, Tall
    REI Co-opMerino 185 Base Layer Bottoms - Men's
    $29.83
    Save 62%
    compared to  $79.95
    173 reviews with an average rating of 4.2 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Big
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    REI Co-opMidweight Long-Sleeve Crew Base Layer Top - Women's
    $64.95
    1 reviews with an average rating of 5.0 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular, Plus
    Top Rated
    REI Co-opMidweight Base Layer Crew Top - Kids'
    $34.95
    9 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-opMerino 250 Long-Sleeve Crew Base Layer Top - Men's
    $104.95
    0 reviews
    Underwear Weight:
    Heavyweight
    Size Type:
    Regular, Big, Tall
    REI Co-opMidweight Base Layer Bottoms - Men's
    $64.95
    2 reviews with an average rating of 5.0 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular, Big, Tall
    REI Co-opMerino 250 Base Layer Bottoms - Men's
    $104.95
    0 reviews
    Underwear Weight:
    Heavyweight
    Size Type:
    Regular, Big, Tall
1–30 of 78 products
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