New for Women
Shop NowStay 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.
Gear up for the run in merino.
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
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.
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.
Engineered for Every Adventure
Not just running. icebreaker merino is engineered to perform naturally better—from hikes to snow sports and nature escapes.
Ready to run in merino?
Merino wool engineered for the run. Stay warm, keep moving, mile after mile.
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