Skip to search results
loaded 20 results

REI Co-op Sun-Protective Fabric Men's Underwear

(20 products)
Products (20)
Remove brand filter:REI Co-opRemove features filter:Sun-Protective FabricClear all
Sort: Best Match
  • Sale Ends Nov 25

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

    $55.89
    Save 30%
    compared to  $79.95
    102 reviews with an average rating of 4.4 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular, Big

    REI Co-opMidweight Base Layer Bottoms - Men's

    $26.83 - $38.39
    Save 30% - 51%
    compared to  $54.95
    66 reviews with an average rating of 4.4 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular, Big, Tall
  • Sale Ends Nov 25

    REI Co-opHeavyweight Merino Base Layer Bottoms - Men's

    $69.89
    Save 30%
    compared to  $99.95
    3 reviews with an average rating of 4.3 out of 5 stars
    Underwear Weight:
    Heavyweight
    Size Type:
    Regular, Big, Tall
  • Sale Ends Nov 25

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

    $69.89
    Save 30%
    compared to  $99.95
    6 reviews with an average rating of 4.5 out of 5 stars
    Underwear Weight:
    Heavyweight
    Size Type:
    Regular, Big, Tall
    Top Rated

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

    $29.83 - $41.89
    Save 30% - 50%
    compared to  $59.95
    113 reviews with an average rating of 4.7 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular, Big, Tall
  • Sale Ends Nov 25
    Top Rated

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

    $55.89
    Save 30%
    compared to  $79.95
    149 reviews with an average rating of 4.6 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular, Big
  • Sale Ends Nov 25
    Top Rated

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

    $38.39
    Save 30%
    compared to  $54.95
    123 reviews with an average rating of 4.5 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular, Big, Tall
  • Sale Ends Nov 25

    REI Co-opHeavyweight Merino Base Layer Half-Zip Top - Men's

    $73.39
    Save 30%
    compared to  $104.95
    4 reviews with an average rating of 4.3 out of 5 stars
    Underwear Weight:
    Heavyweight
    Size Type:
    Regular, Big, Tall
  • Sale Ends Nov 25

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

    $48.89
    Save 30%
    compared to  $69.95
    48 reviews with an average rating of 4.2 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular, Big
    Top Rated

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

    $27.93
    Save 30%
    compared to  $39.95
    183 reviews with an average rating of 4.5 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular, Big
  • Sale Ends Nov 25
    Top Rated

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

    $62.89
    Save 30%
    compared to  $89.95
    92 reviews with an average rating of 4.7 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular, Big

    REI Co-opLightweight Base Layer Bottoms - Men's

    $27.93
    Save 30%
    compared to  $39.95
    77 reviews with an average rating of 4.3 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular, Big
  • Sale Ends Nov 25

    REI Co-opMerino 185 Base Layer Bottoms - Men's Tall Sizes

    $55.89
    Save 30%
    compared to  $79.95
    13 reviews with an average rating of 3.9 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Tall, Big
  • Sale Ends Nov 25
    Top Rated

    REI Co-opMerino 185 Long-Sleeve Base Layer Top - Men's Tall Sizes

    $55.89
    Save 30%
    compared to  $79.95
    8 reviews with an average rating of 4.9 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Tall, Big
  • Sale Ends Nov 25
    Top Rated

    REI Co-opMerino 185 Long-Sleeve Half-Zip Base Layer Top - Men's Tall Sizes

    $62.89
    Save 30%
    compared to  $89.95
    12 reviews with an average rating of 4.9 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Tall, Big
    Top Rated

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

    $29.93
    Save 33%
    compared to  $44.95
    109 reviews with an average rating of 4.6 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular, Big

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

    $19.93
    Save 33%
    compared to  $29.95
    98 reviews with an average rating of 4.2 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular, Tall, Big

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

    $27.93
    Save 30%
    compared to  $39.95
    12 reviews with an average rating of 4.2 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Tall

    REI Co-opLightweight Base Layer Bottoms - Men's Tall Sizes

    $27.93
    Save 30%
    compared to  $39.95
    15 reviews with an average rating of 3.7 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Tall

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

    $29.93
    Save 33%
    compared to  $44.95
    13 reviews with an average rating of 4.5 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Tall
Sort: Best Match

Related Expert Advice articles