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

$79.95
Members get an est. $7.99 in rewards

Beloved while sweating on the trail—and sleeping in the tent—the ultrafine merino wool of the women's REI Co-op Merino 185 long-sleeve base layer top is soft, breathable and naturally odor resistant.

Color: Black
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Members get an estimated $7.99 (10%) back on this item as a part of your annual .

Members get an estimated $7.99 (10%) back on this item as a part of your annual .
To buy,  sign in as an REI Co-op Member or join now.

Features

  • Ultrafine 185 g merino wool for a soft feel without any itchiness
  • Made of 100% merino wool that naturally breathes, wicks away sweat, dries quickly and resists odors, making it an ideal multiday trip companion
  • UPF 30 sun protection
  • Flat seams and merrow stitch construction eliminate chafing
  • Underarm gussets allow full range of movement
  • Designed to hug the body for optimum performance
  • Center back length: 27 in.; average weight: 4.7 oz.
  • Machine wash warm, gentle cycle, with wool wash product; do not twist or wring; remove promptly; do not bleach; tumble dry low; dry cleaning not recommended
  • Field-tested on its own and as a base layer while hiking, running, rock climbing, cycling, skiing and camping in diverse climates across the U.S.
  • Made in a Fair Trade Certified™ factory
  • REI Co-op brand is certified to The Climate Label; we actively fund efforts to reduce carbon emissions across our business and support climate projects around the world

Imported.

View the REI Co-op Merino 185 Product LineView all REI Co-op Women's Base Layer Tops

Technical Specs

Best Use

Multisport

Shirt Type

T-shirt

Fabric

100% merino wool

Sun-Protective Fabric

Yes

UPF Rating

30

Moisture Wicking

Yes

Quick Drying

Yes

Underwear Weight

Lightweight

Sleeve Length

Long Sleeve

Gender

Women's

Sustainability

Fair Trade Certified™ Factory

From a Climate Label Certified brand

Reviews

246 reviews with an average rating of 4.4 out of 5 stars

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10% co-op member reward: $7$7 Member Reward
$30Member Bonus Card

This purchase pays for membership!

$7

10% Reward

on this and every eligible full-price item*

+

$30

Bonus Card

valid for 30 days after joining*

=

$37

Value

Buy a lifetime $30 membership and make a $50 purchase by Sep 07, 2026.*

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From feedback to field testing, all of our gear is dialed-in by REI Co-op members. Their adventures informed every stitch and detail—making for better, longer-lasting gear.

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List of certifications which include The Climate Label certification,
        member informed certification and 100% satisfaction guarantee