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Thermals

(278 products)
Products (278)
Sort: Best Match
    Top Rated
    SmartwoolClassic Thermal Merino Base Layer Bottoms - Men's
    $125.00
    759 reviews with an average rating of 4.7 out of 5 stars
    Top Rated
    SmartwoolClassic Thermal Merino Crew Base Layer Top - Men's
    $125.00
    1108 reviews with an average rating of 4.8 out of 5 stars
    Top Rated
    SmartwoolClassic Thermal Merino Base Layer Bottoms - Women's
    $125.00
    1079 reviews with an average rating of 4.5 out of 5 stars
    Top Rated
    SmartwoolClassic Thermal Merino Crew Base Layer Top - Men's
    $79.97 - $86.97
    Save 30%
    compared to  $115.00 - $125.00
    333 reviews with an average rating of 4.7 out of 5 stars
    REI OUTLET
    SmartwoolIntraknit Thermal Merino Crew Base Layer Top - Women's
    $150.00
    237 reviews with an average rating of 4.3 out of 5 stars
  • Text reads ‘new designs’ over a collage of R E I Co-op brand thermal layers.

    only at rei

    REI Co-op Swiftland thermal layers

    Ideal for crisp days, these thermal layers feature grid-back fleece designed to be warm without trapping excess heat.

    SmartwoolClassic Thermal Merino Base Layer Bottoms - Women's
    $84.73 - $86.97
    Save 26% - 30%
    compared to  $115.00 - $125.00
    287 reviews with an average rating of 4.3 out of 5 stars
    REI OUTLET
    Top Rated
    SmartwoolClassic Thermal Merino Crew Base Layer Top - Women's
    $84.73
    Save 26%
    compared to  $115.00
    18 reviews with an average rating of 4.8 out of 5 stars
    REI OUTLET
    Top Rated
    SmartwoolClassic Thermal Merino Quarter-Zip Base Layer Top - Women's
    $89.93 - $130.00
    1084 reviews with an average rating of 4.7 out of 5 stars
    Top Rated
    SmartwoolClassic Thermal Merino Crew Base Layer Top - Women's
    $79.97 - $86.97
    Save 30%
    compared to  $115.00 - $125.00
    1546 reviews with an average rating of 4.8 out of 5 stars
    REI OUTLET
    IcebreakerMerino 200 Oasis Long-Sleeve Crewe Thermal Top - Men's
    $59.83 - $120.00
    99 reviews with an average rating of 4.4 out of 5 stars
    Top Rated
    REI Co-opSwiftland Thermal Running Hoodie - Women's
    $89.95
    8 reviews with an average rating of 4.9 out of 5 stars
    Top Rated
    SmartwoolIntraknit Thermal Merino Base Layer Bottoms - Women's
    $69.83 - $150.00
    121 reviews with an average rating of 4.5 out of 5 stars
    Top Rated
    The North FaceDotknit Thermal Quarter-Zip Pullover - Women's
    $64.67
    Save 35%
    compared to  $100.00
    6 reviews with an average rating of 4.5 out of 5 stars
    REI OUTLET
    Top Rated
    REI Co-opSwiftland Thermal Running Half-Zip Pullover - Men's
    $44.83
    Save 50%
    compared to  $89.95
    41 reviews with an average rating of 4.6 out of 5 stars
    Top Rated
    SmartwoolClassic Thermal Merino Crew Base Layer Top - Women's
    $59.83 - $125.00
    1529 reviews with an average rating of 4.8 out of 5 stars
    Top Rated
    REI Co-opSwiftland Thermal Running Hoodie - Men's
    $89.95
    5 reviews with an average rating of 4.8 out of 5 stars
    Top Rated
    SmartwoolClassic Thermal Merino Base Layer Quarter-Zip - Women's
    $89.97
    Save 30%
    compared to  $130.00
    1094 reviews with an average rating of 4.7 out of 5 stars
    REI OUTLET
    Top Rated
    REI Co-opSwiftland Thermal Running Half-Zip Pullover - Women's
    $44.83
    Save 50%
    compared to  $89.95
    47 reviews with an average rating of 4.5 out of 5 stars
    Top Rated
    SmartwoolThermal Merino Reversible Cuffed Beanie
    $35.00
    639 reviews with an average rating of 4.6 out of 5 stars
    SmartwoolIntraknit Thermal Merino Base Layer 3/4 Bottoms - Men's
    $89.73
    Save 25%
    compared to  $120.00
    1 reviews with an average rating of 5.0 out of 5 stars
    REI OUTLET
    BrooksNotch Thermal Hoodie 3.0 - Women's
    $59.67
    Save 40%
    compared to  $100.00
    1 reviews with an average rating of 5.0 out of 5 stars
    REI OUTLET
    Top Rated
    SmartwoolClassic Thermal Merino Quarter-Zip Base Layer Top - Men's
    $130.00
    675 reviews with an average rating of 4.8 out of 5 stars
    Top Rated
    SmartwoolClassic Thermal Merino Base Layer Quarter-Zip - Men's
    $89.73
    Save 25%
    compared to  $120.00
    68 reviews with an average rating of 4.7 out of 5 stars
    REI OUTLET
    Top Rated
    IcebreakerMerino 200 Oasis Long-Sleeve Crewe Thermal Top - Women's
    $120.00
    92 reviews with an average rating of 4.6 out of 5 stars
    Top Rated
    SmartwoolThermal Merino Reversible Neck Gaiter
    $32.00
    275 reviews with an average rating of 4.5 out of 5 stars
    Top Rated
    BlundstoneThermal All-Terrain Boots
    $284.95
    7 reviews with an average rating of 4.9 out of 5 stars
    RoarkWell Worn Thermal Shirt - Men's
    $69.00
    3 reviews with an average rating of 4.7 out of 5 stars
    Top Rated
    SmartwoolThermal Merino Reversible Headband
    $19.73
    Save 21%
    compared to  $25.00
    285 reviews with an average rating of 4.8 out of 5 stars
    REI OUTLET
    The North FaceDotKnit Thermal Quarter-Zip - Men's
    $64.87
    Save 35%
    compared to  $100.00
    1 reviews with an average rating of 5.0 out of 5 stars
    REI OUTLET
    New arrival
    RaphaThermal Base Layer Top - Men's
    $79.97
    Save 27%
    compared to  $110.00
    0 reviews
    REI OUTLET
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