Merino, nature’s
performance fibre

Why wear Icebreaker Merino Video

Once, just about everyone wore clothes made from traditional wool in the outdoors. That’s why people in really old photos are never smiling. Traditional wool may have been warm, but it itched like crazy. And it was bulky, heavy, and took forever to dry.

In the 1970s, synthetics such as polyester took over. While artificial fibers are lightweight, easy care and usually non-itch, they’re also clammy, stinky, poorly insulating and highly flammable – and they’re all petroleum-based. You could choose cotton instead, but you’ll freeze to death when you get wet in the cold.

So what’s the solution? A performance fiber invented by nature and engineered for people: Icebreaker merino wool.

Icebreaker merino wool combines the best qualities of traditional wool, synthetics and cotton. It’s soft and non-itch, it’s warm in the cold and cool in the heat, it breathes to prevent clamminess, and it has a miraculous ability to warn off stinkiness – you can run a marathon and still smell as sweet as if you’ve spent the day on the sofa.

And because it was made in the mountains, rather than a lab, Icebreaker merino wool is renewable, recyclable and biodegradable.


tRADitioNAL WooL

Thick fibers make it warm, but heavy, itchy and slow to dry.



Plastic fibers make it lightweight and fast drying, but clammy, stinky and highly flammable.



Thin, natural fibers make it warm in cold weather, cool in warm weather, light, breathable, easy care, no stink and no itch. And did we mention renewable and biodegradable? That’s because it’s made from grass, water and sunshine, rather than petrochemicals.

Speech Bubble
Merino Silhouette

Why Choose Icebreaker?

Is all merino created equal? Nope. We buy the world’s best merino wool from the Southern Alps of New Zealand.

New Zealand produces the longest, strongest, purest, whitest merino fiber on the planet, which means it’s more durable, stays softer for longer and is less likely to pill.

Our long-term contracts with the world’s best merino growers create a win/win situation. The contracts allow us to take responsibility for every step of the process, from the quality of the wool to how the animals are treated. And growers can lock in long-term price security, which gives them a certain future.

Our three-year-contracts with growers are the biggest long-term merino contracts by a single brand in the world.

When you’re in Icebreaker merino, you know the sheep felt as good making it as you do wearing it.

Easy Care

Resilient. Icebreaker merino wool is machine washable, dries quickly (on the line or on the back of a chair – not in a tumble dryer ) and bounces back into shape without ironing, which makes it ideal for travel.

How does Icebreaker merino perform?