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Merino Wool Underwear

(282 products)
Products (282)
Remove features filter:Merino Wool
Sort: Best Match
    Top Rated
    Icebreaker200 ZoneKnit Long-Sleeve Crewe Base Layer Thermal Top - Men's
    $109.73
    Save 26%
    compared to  $150.00
    Members use code CYBER2025 to save an extra 25% on this item, thru 12/1
    7 reviews with an average rating of 4.7 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Big
    REI OUTLET
    SmartwoolIntraknit Active Base Layer Bottoms - Men's
    $81.73
    Save 25%
    compared to  $110.00
    Members use code CYBER2025 to save an extra 25% on this item, thru 12/1
    2 reviews with an average rating of 4.0 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Big, Regular
    REI OUTLET
    Kari TraaEdith Base Layer Pants - Women's
    $74.73
    Save 25%
    compared to  $100.00
    Members use code CYBER2025 to save an extra 25% on this item, thru 12/1
    3 reviews with an average rating of 3.7 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular
    REI OUTLET
    Top Rated
    Icebreaker260 ZoneKnit Long-Sleeve Crewe Base Layer Top - Women's
    $119.73
    Save 27%
    compared to  $165.00
    Members use code CYBER2025 to save an extra 25% on this item, thru 12/1
    8 reviews with an average rating of 4.9 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular
    REI OUTLET
    Kari TraaEdith Half-Zip Base Layer Top - Women's
    $81.73
    Save 25%
    compared to  $110.00
    Members use code CYBER2025 to save an extra 25% on this item, thru 12/1
    1 reviews with an average rating of 1.0 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular
    REI OUTLET
  • Sale Ends Today
    SmartwoolThermal Merino Rib Turtleneck Base Layer Top - Women's
    $97.49
    Save 25%
    compared to  $130.00
    4 reviews with an average rating of 3.5 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular
    SmartwoolClassic Thermal Merino Lettuce Edge Base Layer Bottoms - Women's
    $82.73
    Save 28%
    compared to  $115.00
    Members use code CYBER2025 to save an extra 25% on this item, thru 12/1
    1 reviews with an average rating of 5.0 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular
    REI OUTLET
    SmartwoolIntraknit Thermal Merino Pattern Crew Base Layer Top - Women's
    $96.73
    Save 25%
    compared to  $130.00
    Members use code CYBER2025 to save an extra 25% on this item, thru 12/1
    49 reviews with an average rating of 4.4 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular
    REI OUTLET
  • Sale Ends Dec 8
    Icebreaker260 Tech Vertex Long-Sleeve Half-Zip Thermal Base Layer Top - Women's
    $112.49
    Save 25%
    compared to  $150.00
    0 reviews
    Underwear Weight:
    Heavyweight
    Size Type:
    Regular
    SmartwoolClassic Thermal Merino Base Layer Bottoms - Women's Plus Sizes
    $86.19 - $115.00
    19 reviews with an average rating of 4.4 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Plus
    Kari TraaRose Light Half-Zip Base Layer Top - Women's
    $89.73
    Save 25%
    compared to  $120.00
    Members use code CYBER2025 to save an extra 25% on this item, thru 12/1
    1 reviews with an average rating of 5.0 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular
    REI OUTLET
  • Sale Ends Today
    SmartwoolIntraknit Thermal Max Merino Quarter-Zip Base Layer Top - Men's
    $116.19
    Save 25%
    compared to  $155.00
    0 reviews
    Underwear Weight:
    Midweight
    Size Type:
    Regular, Big
    Kari TraaMina Base Layer Pants - Women's
    $42.73
    Save 28%
    compared to  $60.00
    Members use code CYBER2025 to save an extra 25% on this item, thru 12/1
    0 reviews
    Underwear Weight:
    Lightweight
    Size Type:
    Regular
    REI OUTLET
    SmartwoolIntraknit Crop Bra
    $47.73
    Save 31%
    compared to  $70.00
    Members use code CYBER2025 to save an extra 25% on this item, thru 12/1
    8 reviews with an average rating of 3.5 out of 5 stars
    Bra Support:
    Low Impact
    Support Style:
    Compression
    Fabric:
    62% nylon/28% elastane/10% polyester (exclusive of decoration)
    REI OUTLET
  • Sale Ends Today
    SmartwoolClassic Thermal Merino Base Layer Crew One-Piece - Men's
    $187.49
    Save 25%
    compared to  $250.00
    0 reviews
    Underwear Weight:
    Midweight
    Size Type:
    Regular, Big
    Helly HansenLIFA Merino Midweight Crew Base Layer Top - Women's
    $69.73
    Save 30%
    compared to  $100.00
    Members use code CYBER2025 to save an extra 25% on this item, thru 12/1
    0 reviews
    Underwear Weight:
    Midweight
    Size Type:
    Plus, Regular
    REI OUTLET
    SmartwoolIntraknit Strappy Bra
    $75.00
    1 reviews with an average rating of 3.0 out of 5 stars
    Bra Support:
    Low Impact
    Support Style:
    Compression
    Fabric:
    69% nylon/35% TENCEL lyocell/17% elastane/14% polyester (exclusive of decoration)
    Kari TraaEloise Long-Sleeve Base Layer Top - Women's
    $51.73
    Save 26%
    compared to  $70.00
    Members use code CYBER2025 to save an extra 25% on this item, thru 12/1
    0 reviews
    Underwear Weight:
    Lightweight
    Size Type:
    Regular
    REI OUTLET
    ArtilectFlatiron 185 Crew Base Layer Top - Men's
    $96.73
    Save 30%
    compared to  $140.00
    Members use code CYBER2025 to save an extra 25% on this item, thru 12/1
    1 reviews with an average rating of 5.0 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular, Big
    REI OUTLET
    SmartwoolIntraknit Racerback Bra
    $65.00
    3 reviews with an average rating of 3.0 out of 5 stars
    Bra Support:
    Low Impact
    Support Style:
    Compression
    Fabric:
    62% nylon/28% elastane/10% polyester
    IcebreakerMerino Base Layer Leggings - Women's
    $149.73
    Save 25%
    compared to  $200.00
    Members use code CYBER2025 to save an extra 25% on this item, thru 12/1
    3 reviews with an average rating of 4.3 out of 5 stars
    Size Type:
    Regular
    REI OUTLET
    Kari TraaRose Light High-Waisted Base Layer Pants - Women's
    $81.73
    Save 25%
    compared to  $110.00
    Members use code CYBER2025 to save an extra 25% on this item, thru 12/1
    2 reviews with an average rating of 3.5 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular
    REI OUTLET
    Terramar3.0 Thermawool Half-Zip Base Layer Top - Women's
    $56.73
    Save 24%
    compared to  $75.00
    Members use code CYBER2025 to save an extra 25% on this item, thru 12/1
    0 reviews
    Underwear Weight:
    Midweight
    Size Type:
    Regular
    REI OUTLET
    Helly HansenLIFA Merino Midweight Half-Zip Base Layer Top - Women's
    $69.73
    Save 36%
    compared to  $110.00
    Members use code CYBER2025 to save an extra 25% on this item, thru 12/1
    1 reviews with an average rating of 3.0 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular
    REI OUTLET
    Kari TraaSmekker Half-Zip Base Layer Top - Women's
    $89.73
    Save 30%
    compared to  $130.00
    Members use code CYBER2025 to save an extra 25% on this item, thru 12/1
    19 reviews with an average rating of 4.3 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular
    REI OUTLET
  • Sale Ends Today
    SmartwoolClassic Thermal Merino Colorblock Crew Base Layer Top - Women's
    $97.49
    Save 25%
    compared to  $130.00
    0 reviews
    Underwear Weight:
    Midweight
    Size Type:
    Regular
    Icebreaker200 ZoneKnit Long-Sleeve Crewe Base Layer Top - Women's
    $150.00
    0 reviews
    Underwear Weight:
    Midweight
    Size Type:
    Regular
    Top Rated
    Icebreaker200 ZoneKnit Thermal Base Layer Leggings - Women's
    $109.73
    Save 26%
    compared to  $150.00
    Members use code CYBER2025 to save an extra 25% on this item, thru 12/1
    5 reviews with an average rating of 4.6 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular
    REI OUTLET
    Top Rated
    IcebreakerMerino Blend 300 RealFleece Descender Long-Sleeve Zip Base Layer Top - Women's
    $230.00
    10 reviews with an average rating of 4.9 out of 5 stars
    Underwear Weight:
    Heavyweight
    Size Type:
    Regular
    Helly HansenLIFA Merino Midweight Graphic Base Layer Pants - Women's
    $79.73
    Save 27%
    compared to  $110.00
    Members use code CYBER2025 to save an extra 25% on this item, thru 12/1
    1 reviews with an average rating of 1.0 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular
    REI OUTLET
121–150 of 282 products
Sort: Best Match

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