icebreaker - Running in Merino

Stay warm.
Keep moving.

Discover icebreaker merino for running — natural performance for winter miles. Breathable, moisture-wicking and warm from the first breath to the final push.

Why icebreaker merino for running?

Merino wool is nature's performance fibre. Unlike synthetics, it's naturally engineered to regulate temperature, manage moisture and stay comfortable across every run, even as the pace and the weather change.

Thermoregulation

Moisture-wicking

Natural odour resistance

Built for the run

125 ZoneKnit™ LS Crewe

125 ZoneKnit™ LS Crewe

A lightweight long sleeve with zoned knit panels for breathability exactly where you need it, mile after mile.

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200 RealFleece™ Descender

200 RealFleece™ Descender

A warm, brushed merino blend layer built for cold starts, holding its warmth as the effort builds and the pace rises.

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An athlete's toughest run, in merino.

Surrounded by the peaks of Chamonix, trail runner Mikey Kratzer takes on an ultramarathon wearing only icebreaker merino layers. In one of the most demanding mountain environments, merino provides comfort and support through every mile.

Mikey Kratzer's choice

75 Featherlight™ is the lightest, most breathable baselayer we've ever made, designed for running.

Mikey Kratzer wearing icebreaker 75 Featherlight running gear

Quick drying

Cool-Lite™ eyelet fabric dries quickly, keeping you comfortable mile after mile.

Highly breathable

Engineered to move heat and air away from the body as effort builds.

Made with Cool-Lite™

A lightweight fabric blend of merino wool and TENCEL Lyocell™.

Test Merino for 30 Days

Made to be loved, built to last. Try our merino running bestsellers. If they're not for you, return them within 30 days.

Experience merino on the run. Feel the difference.

125 Speed T-Shirt

125 Speed T-Shirt

★★★★★

Best running shirt I own

The fit is great. Doesn't stink after a long run. 10/10 would buy again.

WoolLover

★★★★★

My go to shirt for runs

Fits close to body but not tight. Fabric is light weight and breathes well. Looking to purchase another.

Rick

★★★★★

Perfect running t-shirt

I wore this t-shirt for multiple races and can't get over how comfy & non-chafing it is, even for long distances. It looks brand new after multiple ultras and washes.

Marc

★★★★★

Love it! I want more in a different colour

Good shape. Nice colour. Soft to wear. Great fabric. Easy to wash! Love it.

Christine

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200 Oasis Beanie

200 Oasis Beanie

★★★★★

Great running hat

Great hat for running in colder weather. Fits well and is light on the head.

Matt

★★★★★

Perfect weight and warmth for winter running

I've used it 5 times during the winter and love it. Surprisingly, I also like it under my regular toque for extra warmth.

Brian

★★★★★

Great hat for running

I'm super happy with my new hat. It's warm but also breathable. Great for running.

SuperMag

★★★★★

Already buying a spare

Taking it to Iceland to run in the Fire and Ice ultra.

Oliver

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Run+ Mini Socks

Run+ Mini Socks

★★★★★

My best running socks

My best running socks for 15 years!

Joanna B.

★★★★★

My new go to running socks

The right weight and love the reflective strip for nights / early mornings.

Laura

★★★★★

Love. Will buy more!

Great for both running and climbing. Super thin but warm.

E.

★★★★★

Great

Great for trail running long distances. No blisters and comfortable.

Seafarrer

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Engineered for Every Adventure

Not just running. icebreaker merino is engineered to perform naturally better—from hikes to snow sports and nature escapes.

Hikers in icebreaker merino

Hike

The right warmth. Every step.
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Escape with icebreaker merino

Escape

Anywhere. Everywhere. Escape with merino.
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Snow sports in icebreaker merino

Snow Sports

Merino. Warmth kept close.
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Ready to run in merino?

Merino wool engineered for the run. Stay warm, keep moving, mile after mile.

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