Under Every Adventure

Start with Merino comfort.

Find your best base layer for better days outside.

MOST POPULAR

Our 100% Merino wool base designed for all-day warmth on every winter adventure.

Cold-Weather Performance

Our high-performance base designed to enhance mobility, breathability, and warmth.

MOST VERSATILE

Our year-round base
made with a Merino blend to maximize durability.

Year-Round Performance

Our lightweight performance base designed to deliver balanced comfort in all temperatures.

Official base layer partner of:

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Why Merino wool?

There are so many advantages to wearing Merino wool. And, well, we think it’s pretty darn perfect. All of our products are geared to help you get the most out of this super fiber so you can go farther and enjoy everything the outdoors has to offer.

Content image

Why Merino wool?

There are so many advantages to wearing Merino wool. And, well, we think it’s pretty darn perfect. All of our products are geared to help you get the most out of this super fiber so you can go farther and enjoy everything the outdoors has to offer.

All-day comfort you can count on.

Responsibly Sourced Wool
Responsibly Sourced Wool

We only put our softest, ZQ-certified Merino wool next to your skin.

Wide-Ranging Collection
Wide-Ranging Collection

We offer comfort for every adventurer, season, and activity—with women’s plus sizes in our classic base layer styles.

Knit Expertise
Knit Expertise

Our apparel technologies offer a high degree of comfort, perfect fit, and durability.

go far. feel good.™ Guarantee
go far. feel good.™ Guarantee

If within two years, you don’t love your base layer, we’ll make it right.

Merino Wool by Activity