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Merino Wool Underwear

(282 products)
Products (282)
Remove features filter:Merino Wool
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    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
    Top Rated
    Icebreaker125 ZoneKnit Merino Long-Sleeve Crewe Thermal Top - Men's
    $93.73
    Save 25%
    compared to  $125.00
    Members use code CYBER2025 to save an extra 25% on this item, thru 12/1
    7 reviews with an average rating of 4.9 out of 5 stars
    Underwear Weight:
    Ultralightweight
    Size Type:
    Regular
    REI OUTLET
    Icebreaker125 ZoneKnit Crewe Base Layer Shirt - Women's
    $84.73
    Save 26%
    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:
    Lightweight
    Size Type:
    Regular
    REI OUTLET
    Icebreaker200 Oasis Sonebula Long-Sleeve Crewe 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:
    Lightweight
    Size Type:
    Regular
    REI OUTLET
    Helly HansenLIFA Merino Midweight 2-In-1 Graphic Half-Zip Base Layer Top - Women's
    $86.73
    Save 27%
    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 4.0 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular
    REI OUTLET
  • Sale Ends Today
    SmartwoolIntraknit Thermal Merino Colorblock Crew Base Layer Top - Men's
    $97.49
    Save 25%
    compared to  $130.00
    11 reviews with an average rating of 4.4 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular, Big
    Icebreaker125 ZoneKnit Thermal Base Layer Leggings - Women's
    $86.73
    Save 30%
    compared to  $125.00
    Members use code CYBER2025 to save an extra 25% on this item, thru 12/1
    11 reviews with an average rating of 4.4 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular
    REI OUTLET
    Kari TraaRose High-Waisted Base Layer Pants - Women's
    $130.00
    24 reviews with an average rating of 4.4 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular
    Icebreaker200 Oasis Sonebula Base Layer Leggings - 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 3.0 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular
    REI OUTLET
    Kari TraaKlara High-Waisted Base Layer Pants - Women's
    $62.73 - $66.73
    Save 25% - 30%
    compared to  $90.00
    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:
    Lightweight
    Size Type:
    Regular
    REI OUTLET
  • Sale Ends Dec 8
    IcebreakerMerino 200 Oasis Long-Sleeve Crewe Base Layer Top - Women's
    $89.99
    Save 25%
    compared to  $120.00
    0 reviews
    Underwear Weight:
    Midweight
    Size Type:
    Regular
    Icebreaker125 Cool-Lite Merino Blend Sphere III Scoop T-Shirt - Women's
    $75.00
    28 reviews with an average rating of 4.4 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular
    Kari TraaLucie Base Layer Pants - Women's
    $58.73
    Save 26%
    compared to  $80.00
    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:
    Lightweight
    Size Type:
    Regular
    REI OUTLET
    Top Rated
    ArtilectDarkhorse 185 Zoned Crew Base Layer Top - Men's
    $95.73
    Save 40%
    compared to  $160.00
    Members use code CYBER2025 to save an extra 25% on this item, thru 12/1
    8 reviews with an average rating of 4.6 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular
    REI OUTLET
    SmartwoolClassic Thermal Merino Base Layer Quarter-Zip Top - Kids'
    $70.00
    0 reviews
    Underwear Weight:
    Midweight
    Size Type:
    Regular
    Kari TraaRose High-Waist 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
    24 reviews with an average rating of 4.4 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular
    REI OUTLET
    Kari TraaEloise Half-Zip Base Layer Top - Women's
    $59.73
    Save 25%
    compared to  $80.00
    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
    Icebreaker200 ZoneKnit Long-Sleeve Crewe Base Layer Top - Men's
    $150.00
    0 reviews
    Underwear Weight:
    Midweight
    Size Type:
    Regular, Big
    Kari TraaEloise Base Layer Pants - 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
  • Sale Ends Today
    SmartwoolClassic Thermal Merino Colorblock Crew Base Layer Top - Men's
    $97.50
    Save 25%
    compared to  $130.00
    1 reviews with an average rating of 5.0 out of 5 stars
    Size Type:
    Regular, Big
    Kari TraaSmekker Base Layer Pants - Women's
    $83.73
    Save 30%
    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 2.0 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular
    REI OUTLET
  • Sale Ends Dec 8
    Top Rated
    Icebreaker200 Oasis Crewe Long-Sleeve Base Layer Top - Kids'
    $44.99
    Save 25%
    compared to  $60.00
    9 reviews with an average rating of 5.0 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular
    Top Rated
    Black DiamondSolution 150 Merino Base Layer Bottoms - 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
    33 reviews with an average rating of 4.6 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular
    REI OUTLET
    IcebreakerMerino 200 ZoneKnit Long-Sleeve Half-Zip Base Layer Top - Men's
    $119.73
    Save 25%
    compared to  $160.00
    Members use code CYBER2025 to save an extra 25% on this item, thru 12/1
    0 reviews
    Underwear Weight:
    Midweight
    Size Type:
    Regular, Big
    REI OUTLET
    Kari TraaRose Light 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 5.0 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular
    REI OUTLET
    Wild RyeJane Leggings - Women's
    $64.73
    Save 40%
    compared to  $109.00
    Members use code CYBER2025 to save an extra 25% on this item, thru 12/1
    4 reviews with an average rating of 3.3 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular
    REI OUTLET
    Helly HansenLIFA Merino Midweight Balaclava Base Layer Hoodie - Women's
    $104.73
    Save 30%
    compared to  $150.00
    Members use code CYBER2025 to save an extra 25% on this item, thru 12/1
    1 reviews with an average rating of 4.0 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular
    REI OUTLET
    SmartwoolIntraknit Thermal Max Merino Base Layer Bottoms - Women's
    $100.73
    Save 25%
    compared to  $135.00
    Members use code CYBER2025 to save an extra 25% on this item, thru 12/1
    0 reviews
    Underwear Weight:
    Heavyweight
    Size Type:
    Regular
    REI OUTLET
    Kari TraaAlma Hood Base Layer Top - Women's
    $59.73
    Save 25%
    compared to  $80.00
    Members use code CYBER2025 to save an extra 25% on this item, thru 12/1
    0 reviews
    Underwear Weight:
    Ultralightweight
    Size Type:
    Regular
    REI OUTLET
    Top Rated
    Helly HansenLifa Merino Midweight Graphic Base Layer Top - Women's
    $79.73 - $82.73
    Save 24% - 27%
    compared to  $110.00
    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
151–180 of 282 products
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