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Ultralightweight Base Layers

(14 products)
Products (14)
Sort: Best Match
    HalfdaysJohnson Base Layer Top - Women's
    $95.00
    135 reviews with an average rating of 4.5 out of 5 stars
    Underwear Weight:
    Ultralightweight
    Size Type:
    Regular
    Arms of Andes160 Ultralight Alpaca Wool Long-Sleeve Base Layer Shirt - Men's
    $66.93
    Save 25%
    compared to  $90.00
    11 reviews with an average rating of 3.7 out of 5 stars
    Underwear Weight:
    Ultralightweight
    Size Type:
    Regular, Big
    Top Rated
    Icebreaker125 ZoneKnit Merino Long-Sleeve Crewe Thermal Top - Men's
    $93.73
    Save 25%
    compared to  $125.00
    7 reviews with an average rating of 4.9 out of 5 stars
    Underwear Weight:
    Ultralightweight
    Size Type:
    Regular
    REI OUTLET
    Arms of Andes160 Ultralight Alpaca Wool Crewneck Base Layer T-Shirt - Men's
    $59.93
    Save 25%
    compared to  $80.00
    7 reviews with an average rating of 3.7 out of 5 stars
    Underwear Weight:
    Ultralightweight
    Size Type:
    Regular, Big
    Arms of Andes160 Ultralight Alpaca Wool Base Layer Leggings - Men's
    $62.93
    Save 25%
    compared to  $85.00
    5 reviews with an average rating of 3.8 out of 5 stars
    Underwear Weight:
    Ultralightweight
    Size Type:
    Regular, Big
    Top Rated
    The North FaceSummit Series Pro 120 Base Layer Tights - Men's
    $100.00
    Add to cart to see price
    19 reviews with an average rating of 4.7 out of 5 stars
    Underwear Weight:
    Ultralightweight
    Size Type:
    Regular
    Arms of Andes160 Ultralight Alpaca Wool Base Layer Leggings - Men's
    $70.93
    Save 25%
    compared to  $95.00
    0 reviews
    Underwear Weight:
    Ultralightweight
    Size Type:
    Regular, Big
    New arrival
    Kari TraaAlma Half-Zip Base Layer Top - Women's
    $100.00
    0 reviews
    Underwear Weight:
    Ultralightweight
    Size Type:
    Regular
    The North FaceSummit Series Pro 120 Base Layer Tights - Women's
    $76.93
    Save 30%
    compared to  $110.00
    18 reviews with an average rating of 4.3 out of 5 stars
    Underwear Weight:
    Ultralightweight
    Size Type:
    Regular
    Arms of Andes160 Ultralight Alpaca Wool Crew Neck Base Layer T-Shirt - Women's
    $55.93
    Save 25%
    compared to  $75.00
    3 reviews with an average rating of 4.0 out of 5 stars
    Underwear Weight:
    Ultralightweight
    Size Type:
    Regular
    Kari TraaEmbla Wool Long-Sleeve Base Layer Top - Women's
    $62.93 - $90.00
    0 reviews
    Underwear Weight:
    Ultralightweight
    Size Type:
    Regular
    Arms of Andes160 Ultralight Alpaca Wool Long-Sleeve Base Layer Shirt - Women's
    $62.93 - $74.93
    Save 25%
    compared to  $85.00 - $100.00
    11 reviews with an average rating of 3.8 out of 5 stars
    Underwear Weight:
    Ultralightweight
    Size Type:
    Regular
    New arrival
    Kari TraaEmbla Wool Base Layer T-Shirt - Women's
    $80.00
    0 reviews
    Underwear Weight:
    Ultralightweight
    Size Type:
    Regular
    New arrival
    Kari TraaAlma Base Layer Pants - Women's
    $90.00
    0 reviews
    Underwear Weight:
    Ultralightweight
    Size Type:
    Regular
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