Skip to search results
loaded 111 results

Men's Underwear: Deals

(111 products)
Products (111)
Remove deals filter:Deals
Sort: Best Match
    Top Rated
    REI Co-opLightweight Long-Sleeve Crew Base Layer Top - Men's
    $27.93 - $39.95
    19 reviews with an average rating of 4.6 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular, Big, Tall
  • Sale Ends Dec 8
    REI Co-opMerino 185 Base Layer Bottoms - Men's
    $55.89
    Save 30%
    compared to  $79.95
    132 reviews with an average rating of 4.3 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular, Big
    tasc PerformanceElevation Merino Base Layer Bottoms - Men's
    $34.73 - $54.73
    Save 30% - 56%
    compared to  $79.00
    35 reviews with an average rating of 3.8 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Big, Regular
    REI OUTLET
    tasc PerformanceElevation Merino T-Shirt - Men's
    $54.73
    Save 30%
    compared to  $79.00
    41 reviews with an average rating of 4.2 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Big, Regular
    REI OUTLET
  • Sale Ends Dec 8
    Top Rated
    REI Co-opMerino 185 Long-Sleeve Base Layer Top - Men's
    $55.89
    Save 30%
    compared to  $79.95
    190 reviews with an average rating of 4.5 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular, Big
    Top Rated
    REI Co-opLightweight Crew Base Layer Top - Men's
    $19.93 - $29.95
    21 reviews with an average rating of 4.5 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular, Big
    Top Rated
    ExOfficio9" GNG Sport 2.0 Boxer Briefs - Men's
    $24.73
    Save 27%
    compared to  $34.00
    529 reviews with an average rating of 4.7 out of 5 stars
    Size Type:
    Regular
    REI OUTLET
    SaxxVibe Xtra Soft Comfort Boxer Briefs - Men's
    $24.73
    Save 27%
    compared to  $34.00
    0 reviews
    Size Type:
    Regular, Big
    REI OUTLET
  • Sale Ends Dec 8
    Top Rated
    REI Co-opMerino 185 Long-Sleeve Half-Zip Base Layer Top - Men's
    $62.89
    Save 30%
    compared to  $89.95
    111 reviews with an average rating of 4.5 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular, Big
  • Sale Ends Dec 8
    SmartwoolEveryday 6" Knit Boxer Briefs - Men's
    $20.73
    Save 56%
    compared to  $48.00
    1 reviews with an average rating of 5.0 out of 5 stars
    Size Type:
    Regular
    REI OUTLET
    Top Rated
    ExOfficioGive-N-Go 2.0 Boxer Briefs - Men's
    $22.73
    Save 24%
    compared to  $30.00
    2919 reviews with an average rating of 4.5 out of 5 stars
    Size Type:
    Regular, Big
    REI OUTLET
    SaxxVolt Breathable Mesh Boxer Briefs - Men's
    $26.73
    Save 23%
    compared to  $35.00
    6 reviews with an average rating of 4.0 out of 5 stars
    Size Type:
    Regular, Big
    REI OUTLET
  • Sale Ends Dec 8
    REI Co-opMerino 185 Base Layer Top - Men's
    $48.89
    Save 30%
    compared to  $69.95
    54 reviews with an average rating of 4.2 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular
    SaxxQuest Boxer Briefs - Men's
    $24.73
    Save 27%
    compared to  $34.00
    3 reviews with an average rating of 4.7 out of 5 stars
    Size Type:
    Regular, Big
    REI OUTLET
  • Sale Ends Dec 8
    Top Rated
    SmartwoolClassic All Season Merino Long-Sleeve Base Layer Top - Men's
    $39.73
    Save 55%
    compared to  $90.00
    5 reviews with an average rating of 4.8 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular
    REI OUTLET
  • Sale Ends Dec 8
    Top Rated
    IcebreakerMerino 200 Oasis Long-Sleeve Crewe Thermal Top - Men's
    $78.69
    Save 25%
    compared to  $105.00
    168 reviews with an average rating of 4.7 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular, Big
    Top Rated
    Free CountryForce Grid Fleece Base Layer Top - Men's
    $29.73
    Save 33%
    compared to  $45.00
    5 reviews with an average rating of 4.6 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Big, Regular
    REI OUTLET
  • Sale Ends Dec 8
    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 Dec 8
    Top Rated
    IcebreakerMerino 200 Oasis Base Layer Leggings with Fly - Men's
    $78.69
    Save 25%
    compared to  $105.00
    63 reviews with an average rating of 4.7 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular, Big
    IcebreakerMerino 200 Oasis Long-Sleeve Crewe Thermal Top - Men's
    $78.73
    Save 25%
    compared to  $105.00
    68 reviews with an average rating of 4.5 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Big, Regular
    REI OUTLET
    Free CountryForce Grid Fleece Base Layer Bottoms - Men's
    $29.73
    Save 33%
    compared to  $45.00
    8 reviews with an average rating of 3.6 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular, Big
    REI OUTLET
    Free CountryCloud Knit Base Layer Bottoms - Men's
    $26.73
    Save 33%
    compared to  $40.00
    0 reviews
    Underwear Weight:
    Lightweight
    Size Type:
    Regular, Big
    REI OUTLET
    SaxxRoast Master Midweight Base Layer Bottoms - Men's
    $47.73
    Save 36%
    compared to  $75.00
    1 reviews with an average rating of 5.0 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular, Big
    REI OUTLET
    New arrival
    TerramarPerformance Briefs - Men's - Package of 3
    $19.73
    Save 34%
    compared to  $30.00
    0 reviews
    Size Type:
    Regular, Big
    REI OUTLET
  • Sale Ends Dec 8
    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
    SaxxQuest Quick-Dry Mesh Boxer Briefs - Men's
    $26.73
    Save 25%
    compared to  $36.00
    0 reviews
    Size Type:
    Regular
    REI OUTLET
  • Sale Ends Dec 8
    Top Rated
    IcebreakerMerino 260 Tech Long-Sleeve Crewe Thermal Top - Men's
    $93.69
    Save 25%
    compared to  $125.00
    64 reviews with an average rating of 4.7 out of 5 stars
    Underwear Weight:
    Heavyweight
    Size Type:
    Regular, Big
    Free CountryCloud Knit Crewneck Base Layer Top - Men's
    $26.73
    Save 33%
    compared to  $40.00
    2 reviews with an average rating of 5.0 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular, Big
    REI OUTLET
  • Sale Ends Dec 8
    Top Rated
    Icebreaker260 Merino Tech Thermal Leggings with Fly - Men's
    $93.69
    Save 25%
    compared to  $125.00
    64 reviews with an average rating of 4.7 out of 5 stars
    Underwear Weight:
    Heavyweight
    Size Type:
    Regular, Big
    SmartwoolIntraknit Thermal Merino Crew Base Layer Top - Men's
    $92.73
    Save 28%
    compared to  $130.00
    9 reviews with an average rating of 4.1 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular, Big
    REI OUTLET
1–30 of 111 products
Sort: Best Match

Related Expert Advice articles