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.

Ultrafine 185 g merino wool offers a soft feel without any itchiness

Merino wool naturally breathes, wicks away sweat, 

dries quickly and resists odors, making it an ideal multiday trip companion

UPF 30 sun protection shields from harmful UV rays

Flat seams and merrow stitch construction eliminate chafing

Underarm gussets allow full range of movement

Designed to hug the body for optimum performance

Machine washable

Made in a Fair Trade Certified factory,

which promotes safe working conditions and sustainable livelihoods

Made using wool certified to the Responsible Wool Standard (RWS),

which requires that sheep are treated in accordance with leading animal welfare standards

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.

Fabric: RWS merino wool

Lightweight