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Base Layer Tops: Deals

(183 products)
Products (183)
Sort: Best Match
  • Sale Ends May 27
    Colors
    Top Rated

    SmartwoolClassic All-Season Merino Long-Sleeve Base Layer Top - Men's

    $67.49
    Save 25%
    compared to  $90.00
    588 reviews with an average rating of 4.7 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular, Big
    Colors

    REI Co-opMerino 185 Long-Sleeve Base Layer Top - Women's

    $39.83 - $55.89
    Save 30% - 50%
    compared to  $79.95
    164 reviews with an average rating of 4.5 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular
  • Sale Ends May 27
    Colors
    Top Rated

    REI Co-opLightweight Base Layer Half-Zip Top - Men's

    $31.39
    Save 30%
    compared to  $44.95
    102 reviews with an average rating of 4.6 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular, Big
  • Sale Ends May 27
    Colors
    Top Rated

    REI Co-opMidweight Base Layer Half-Zip Top - Men's

    $41.89
    Save 30%
    compared to  $59.95
    99 reviews with an average rating of 4.6 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular, Big, Tall
  • Sale Ends May 27
    Colors
    Top Rated

    IcebreakerMerino 200 Oasis Long-Sleeve Crewe Thermal Top - Women's

    $78.69
    Save 25%
    compared to  $105.00
    62 reviews with an average rating of 4.7 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular, Plus
  • Sale Ends May 27
    Colors
    Top Rated

    REI Co-opMidweight Long-Sleeve Base Layer Top - Men's

    $38.39
    Save 30%
    compared to  $54.95
    112 reviews with an average rating of 4.5 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular, Big, Tall
  • Sale Ends May 27
    Colors
    Top Rated

    IcebreakerMerino 200 Oasis Long-Sleeve Crewe Thermal Top - Men's

    $78.69
    Save 25%
    compared to  $105.00
    55 reviews with an average rating of 4.6 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular, Big
    Colors
    Top Rated

    REI Co-opMerino 185 Long-Sleeve Half-Zip Base Layer Top - Women's

    $44.83 - $62.89
    Save 30% - 50%
    compared to  $89.95
    85 reviews with an average rating of 4.6 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular
  • Sale Ends May 27
    Colors
    Top Rated

    SmartwoolClassic All-Season Merino Long-Sleeve Base Layer Top - Women's

    $67.49
    Save 25%
    compared to  $90.00
    300 reviews with an average rating of 4.5 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular, Plus
    Colors
    Top Rated

    SmartwoolClassic Thermal Merino Crew Base Layer Top - Women's

    $56.83 - $86.19
    Save 25% - 50%
    compared to  $115.00
    1092 reviews with an average rating of 4.7 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular, Plus
  • Sale Ends May 27
    Colors

    REI Co-opMidweight Long-Sleeve Base Layer Top - Women's

    $38.39
    Save 30%
    compared to  $54.95
    172 reviews with an average rating of 4.2 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular, Plus
    Colors

    IcebreakerMerino 260 Tech Long-Sleeve Half-Zip Thermal Top - Men's

    $66.83 - $101.19
    Save 25% - 50%
    compared to  $135.00
    20 reviews with an average rating of 4.4 out of 5 stars
    Underwear Weight:
    Heavyweight
    Size Type:
    Regular, Big
  • Sale Ends May 27
    Colors

    REI Co-opLightweight Base Layer Long-Sleeve Crew Top - Women's

    $27.89
    Save 30%
    compared to  $39.95
    166 reviews with an average rating of 4.2 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular
  • Sale Ends May 27
    Colors

    REI Co-opLightweight Base Layer Crew Top - Women's

    $20.89
    Save 30%
    compared to  $29.95
    41 reviews with an average rating of 4.4 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular
  • Sale Ends May 27
    Colors

    REI Co-opMerino 185 Base Layer Top - Men's

    $48.89
    Save 30%
    compared to  $69.95
    41 reviews with an average rating of 4.2 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular, Big
  • Sale Ends May 27
    Colors
    Top Rated

    REI Co-opLightweight Base Layer Long-Sleeve Crew Top - Men's

    $27.89
    Save 30%
    compared to  $39.95
    176 reviews with an average rating of 4.5 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular, Big
  • Sale Ends May 27
    Colors

    REI Co-opMerino 185 Base Layer Top - Women's

    $48.89
    Save 30%
    compared to  $69.95
    26 reviews with an average rating of 4.5 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular
  • Sale Ends May 27
    Colors
    Top Rated

    REI Co-opLightweight Base Layer Half-Zip Top - Women's

    $31.39
    Save 30%
    compared to  $44.95
    72 reviews with an average rating of 4.5 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular
  • Sale Ends May 27
    Colors

    Icebreaker200 Oasis Crewe Base Layer Top - Men's

    $71.19
    Save 25%
    compared to  $95.00
    9 reviews with an average rating of 4.4 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular, Big
  • Sale Ends May 27
    Colors

    REI Co-opMerino 185 Base Layer Top - Women's Plus Sizes

    $48.89
    Save 30%
    compared to  $69.95
    12 reviews with an average rating of 3.9 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Plus
  • Sale Ends May 27
    Colors

    Kari TraaLucie Long-Sleeve Base Layer Top - Women's

    $66.49
    Save 30%
    compared to  $95.00
    0 reviews
    Underwear Weight:
    Lightweight
    Size Type:
    Regular
  • Sale Ends May 27
    Top Rated

    Icebreaker200 Oasis Half-Zip Base Layer Top - Men's

    $86.19
    Save 25%
    compared to  $115.00
    10 reviews with an average rating of 4.6 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular, Big
  • Sale Ends May 27
    Colors

    Kari TraaSval Long-Sleeve Base Layer Top - Women's

    $55.99
    Save 30%
    compared to  $80.00
    2 reviews with an average rating of 5.0 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular
  • Sale Ends May 27
    Colors

    REI Co-opLightweight Base Layer Half-Zip Top - Women's Plus Sizes

    $31.39 - $44.95
    Save 30%
    compared to  $44.95
    7 reviews with an average rating of 4.3 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Plus
  • Sale Ends May 27

    Icebreaker125 ZoneKnit Long-Sleeve Crewe Base Layer Top - Women's

    $93.69
    Save 25%
    compared to  $125.00
    0 reviews
    Underwear Weight:
    Lightweight
    Size Type:
    Regular
  • Sale Ends May 27

    REI Co-opLightweight Base Layer Long-Sleeve Zip-Neck Top - Men's Tall Sizes

    $31.39
    Save 30%
    compared to  $44.95
    13 reviews with an average rating of 4.5 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Tall, Big
  • Sale Ends May 27
    Colors
    Top Rated

    Wild RyeEvie Lite Raglan Base Layer Top - Women's

    $74.19
    Save 25%
    compared to  $99.00
    10 reviews with an average rating of 4.7 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular, Plus
  • Sale Ends May 27
    Colors

    SmartwoolIntraknit Active Base Layer Top - Men's

    $82.49
    Save 25%
    compared to  $110.00
    13 reviews with an average rating of 4.5 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular, Big
  • Sale Ends May 27
    Colors

    Icebreaker125 ZoneKnit Long-Sleeve Crewe Base Layer Top - Men's

    $93.69
    Save 25%
    compared to  $125.00
    1 reviews with an average rating of 5.0 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular, Big
  • Sale Ends May 27

    Icebreaker125 ZoneKnit Crewe Base Layer Top - Men's

    $86.19
    Save 25%
    compared to  $115.00
    0 reviews
    Underwear Weight:
    Lightweight
    Size Type:
    Regular
Sort: Best Match

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