Skip to search results
loaded 16 results

Icebreaker Long Sleeve Men's Underwear

(16 products)
Products (16)
Remove brand filter:IcebreakerRemove sleeve-length filter:Long SleeveClear all
Sort: Best Match
    Top Rated
    IcebreakerMerino 260 Tech Long-Sleeve Crewe Thermal Top - Men's
    $61.83 - $125.00
    79 reviews with an average rating of 4.7 out of 5 stars
    Underwear Weight:
    Heavyweight
    Size Type:
    Regular, Big
    Top Rated
    IcebreakerMerino 200 Oasis Long-Sleeve Crewe Thermal Top - Men's
    $51.83 - $120.00
    220 reviews with an average rating of 4.7 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular, Big
    Top Rated
    Icebreaker200 Oasis Long-Sleeve Half-Zip Base Layer Top - Men's
    $56.83 - $130.00
    34 reviews with an average rating of 4.7 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular, Big
    Top Rated
    IcebreakerMerino 125 ZoneKnit Long-Sleeve Half-Zip Base Layer Top - Men's
    $99.73
    Save 26%
    compared to  $135.00
    16 reviews with an average rating of 4.8 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular, Big
    REI OUTLET
    Top Rated
    IcebreakerMerino 200 ZoneKnit Long-Sleeve Half-Zip Base Layer Top - Men's
    $119.73
    Save 25%
    compared to  $160.00
    7 reviews with an average rating of 4.7 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular, Big
    REI OUTLET
    Top Rated
    IcebreakerMerino 260 Tech Long-Sleeve Half-Zip Base Layer Top - Men's
    $135.00
    51 reviews with an average rating of 4.5 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular, Big
    Top Rated
    IcebreakerMerino 200 Sonebula Long-Sleeve Crewe Base Layer Top - Men's
    $89.73
    Save 25%
    compared to  $120.00
    7 reviews with an average rating of 4.6 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular
    REI OUTLET
    Top Rated
    IcebreakerMerino 260 Tech Long-Sleeve Half-Zip Thermal Base Layer Top - Men's
    $99.73
    Save 26%
    compared to  $135.00
    51 reviews with an average rating of 4.5 out of 5 stars
    Underwear Weight:
    Heavyweight
    Size Type:
    Regular
    REI OUTLET
    IcebreakerMerino 200 ZoneKnit Energy Wind Long-Sleeve T-Shirt - Men's
    $125.00
    2 reviews with an average rating of 5.0 out of 5 stars
    IcebreakerMerino 260 ZoneKnit Long-Sleeve Half-Zip Base Layer Top - Men's
    $185.00
    1 reviews with an average rating of 5.0 out of 5 stars
    Underwear Weight:
    Heavyweight
    Size Type:
    Regular
    Icebreaker300 MerinoFine Polar Long-Sleeve Half-Zip Thermal Base Layer Top - Men's
    $250.00
    7 reviews with an average rating of 3.9 out of 5 stars
    Underwear Weight:
    Heavyweight
    Size Type:
    Regular
    IcebreakerMerino 200 ZoneKnit Long-Sleeve Half-Zip Base Layer Top - Men's
    $160.00
    0 reviews
    Underwear Weight:
    Midweight
    Size Type:
    Regular, Big
    Icebreaker200 ZoneKnit Long-Sleeve Crewe Base Layer Top - Men's
    $150.00
    2 reviews with an average rating of 5.0 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular, Big
    IcebreakerMerino 260 ZoneKnit Long-Sleeve Crew Base Layer Top- Men's
    $175.00
    1 reviews with an average rating of 5.0 out of 5 stars
    Underwear Weight:
    Heavyweight
    Size Type:
    Regular
    Top Rated
    Icebreaker300 MerinoFine Polar Long-Sleeve Roll-Neck Thermal Base Layer Top - Men's
    $220.00
    10 reviews with an average rating of 4.9 out of 5 stars
    Underwear Weight:
    Heavyweight
    Size Type:
    Regular
    IcebreakerMerino 200 Oasis+ Long-Sleeve Half-Zip Thermal Base Layer Hoodie - Men's
    $150.00
    1 reviews with an average rating of 1.0 out of 5 stars
    Underwear Weight:
    Midweight
    Size Type:
    Regular
  • The R E I Co-op Mastercard. Earn 15% total R E I rewards.

    Earn 15% in total rewards

    Get 5% on all REI Co-op purchases plus the 10% Co-op Member Reward you earn on eligible full-price purchases.



    Terms apply
Sort: Best Match

Related Expert Advice articles