Skip to search results
loaded 5 results

REI Co-op Merino Wool Men's Base Layer Tops

(5 products)
Products (5)
Sort: Best Match
    REI Co-opMerino 185 Long-Sleeve Crew Base Layer Top - Men's
    $84.95
    Top Rated
    5 reviews with an average rating of 4.6 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular, Big, Tall
    REI Co-opMerino 250 Long-Sleeve Crew Base Layer Top - Men's
    $104.95
    1 reviews with an average rating of 5.0 out of 5 stars
    Underwear Weight:
    Heavyweight
    Size Type:
    Regular, Big, Tall
    REI Co-opMerino 185 Half-Zip Base Layer Top - Men's
    $89.95
    Top Rated
    6 reviews with an average rating of 4.7 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular, Big, Tall
    REI Co-opMerino 250 Half-Zip Base Layer Top - Men's
    $109.95
    1 reviews with an average rating of 5.0 out of 5 stars
    Underwear Weight:
    Heavyweight
    Size Type:
    Regular, Big, Tall
    REI Co-opMerino 185 Crew Base Layer Top - Men's
    $74.95
    4 reviews with an average rating of 4.5 out of 5 stars
    Underwear Weight:
    Lightweight
    Size Type:
    Regular, Big, Tall
  • A yellow Member Bonus Card and two holiday-themed gift cards on a light colored background.

    Give the gift of the outdoors

    Members, get a $25 bonus e-card when you buy a $130+ gift card. Terms apply.

    Shop gift cards
Sort: Best Match
Illustration of a hand holding a phone.

Checkout faster

Track your order, shop and save— all in one place

Get the REI app