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Wool Underwear

(218 products)
Products (218)
Remove fabric-type filter:Wool / Wool Blend
Sort: Best Match
    REI Co-opMerino Boxer Briefs - Men's
    $39.95
    116 reviews with an average rating of 4.2 out of 5 stars
    Size Type:
    Regular, Big
    REI Co-opMerino Hipster Underwear - Women's
    $29.95
    59 reviews with an average rating of 3.9 out of 5 stars
    Size Type:
    Plus, Regular
    REI Co-opMerino Boxers - Men's
    $39.95
    82 reviews with an average rating of 4.3 out of 5 stars
    Size Type:
    Regular, Big
    Top Rated
    REI Co-opMerino 185 Long-Sleeve Half-Zip Base Layer Top - Men's
    $44.83 - $89.95
    137 reviews with an average rating of 4.5 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular, Big
    REI Co-opMerino 185 Base Layer Top - Women's
    $69.95
    67 reviews with an average rating of 4.3 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular
    REI Co-opMerino 185 Long-Sleeve Base Layer Top - Women's
    $79.95
    246 reviews with an average rating of 4.4 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular
    SmartwoolClassic All-Season Merino T-Shirt - Women's
    $95.00
    110 reviews with an average rating of 4.3 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular, Plus
    Top Rated
    SmartwoolClassic All-Season Merino Long-Sleeve Base Layer Top - Men's
    $53.83 - $100.00
    106 reviews with an average rating of 4.6 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular, Big
    SmartwoolClassic All-Season Merino Long-Sleeve Base Layer Top - Women's
    $53.83 - $100.00
    100 reviews with an average rating of 4.4 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular, Plus
    Top Rated
    SmartwoolClassic All-Season Merino Quarter-Zip Base Layer Top - Women's
    $69.73
    Save 26%
    compared to  $95.00
    6 reviews with an average rating of 4.5 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular
    REI OUTLET
    SmartwoolIntraknit Thermal Merino Crew Base Layer Top - Women's
    $77.83 - $150.00
    199 reviews with an average rating of 4.2 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular
    SmartwoolClassic All-Season Merino Base Layer Bottoms - Women's
    $68.83 - $100.00
    25 reviews with an average rating of 4.2 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular, Plus
    Top Rated
    IcebreakerMerino 200 Oasis Long-Sleeve Crewe Thermal Top - Women's
    $120.00
    181 reviews with an average rating of 4.7 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular, Plus
    REI Co-opMerino 185 Base Layer Top - Men's
    $69.95
    60 reviews with an average rating of 4.3 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular
    REI Co-opMerino 185 Base Layer Bottoms - Women's
    $79.95
    122 reviews with an average rating of 4.2 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular
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    Top Rated
    SmartwoolClassic Thermal Merino Quarter-Zip Base Layer Top - Men's
    $71.83 - $130.00
    61 reviews with an average rating of 4.7 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular, Big
    Helly HansenHH Durawool Base Layer T-Shirt - Women's
    $56.73
    Save 29%
    compared to  $80.00
    1 reviews with an average rating of 5.0 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular
    REI OUTLET
    SmartwoolIntraknit Thermal Max Merino Quarter-Zip Base Layer Top - Women's
    $115.73
    Save 25%
    compared to  $155.00
    0 reviews
    Underwear Weight:
    Heavyweight
    Size Type:
    Regular
    REI OUTLET
    Top Rated
    SmartwoolClassic Thermal Merino Crew Base Layer Top - Women's
    $81.73 - $84.73
    Save 26% - 28%
    compared to  $115.00
    440 reviews with an average rating of 4.7 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular
    REI OUTLET
    Top Rated
    SmartwoolClassic Thermal Merino Colorblock Crew Base Layer Top - Women's
    $77.83
    Save 40%
    compared to  $130.00
    5 reviews with an average rating of 5.0 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular
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    SmartwoolClassic Thermal Merino Half-Zip Base Layer Hoodie - Women's
    $108.73
    Save 25%
    compared to  $145.00
    0 reviews
    Underwear Weight:
    Midweight
    Size Type:
    Regular
    REI OUTLET
    Top Rated
    SmartwoolClassic Thermal Merino Base Layer Quarter-Zip - Men's
    $89.73
    Save 25%
    compared to  $120.00
    61 reviews with an average rating of 4.7 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular, Big
    REI OUTLET
    REI Co-opMerino 185 Base Layer Bottoms - Men's
    $79.95
    169 reviews with an average rating of 4.2 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular, Big
    Arc'teryxSatoro Merino Wool Base Layer Bottoms - Women's
    $95.73
    Save 20%
    compared to  $120.00
    0 reviews
    Underwear Weight:
    Lightweight
    Size Type:
    Regular
    REI OUTLET
    Top Rated
    SmartwoolClassic Thermal Merino Quarter-Zip Base Layer Top - Women's
    $71.83 - $130.00
    72 reviews with an average rating of 4.7 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular, Plus
    Arc'teryxSatoro Merino Wool Crew Neck Long-Sleeve Base Layer Top - Women's
    $95.73
    Save 20%
    compared to  $120.00
    0 reviews
    Underwear Weight:
    Lightweight
    Size Type:
    Regular, Plus
    REI OUTLET
    SmartwoolClassic Thermal Merino Base Layer Hoodie - Men's
    $108.73
    Save 25%
    compared to  $145.00
    3 reviews with an average rating of 5.0 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular, Big
    REI OUTLET
    tasc PerformanceElevation Merino T-Shirt - Women's
    $46.73 - $54.73
    Save 30% - 40%
    compared to  $79.00
    95 reviews with an average rating of 4.4 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Plus, Regular
    REI OUTLET
    REI Co-opHeavyweight Merino Base Layer Bottoms - Women's
    $49.83 - $99.95
    34 reviews with an average rating of 4.4 out of 5 stars
    Underwear Weight:
    Heavyweight
    Size Type:
    Regular, Plus
    Top Rated
    SmartwoolClassic Thermal Merino Crew Base Layer Top - Women's
    $68.83 - $125.00
    1222 reviews with an average rating of 4.7 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular, Plus
1–30 of 218 products
Sort: Best Match

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