M's Zephyrunner Wind Shell

The ultra-packable Zephyrunner is designed to provide indispensable protection for moving quickly across varying and fast-changing conditions. This lightweight, water-repellent jacket balances protection, breathability, and versatility in a nearly weightless layer that stops wind without preventing heat release during high-output efforts.

Features

Strategic breathability
Back panel venting keeps you comfortable while maintaining wind protection

Better than zero
The Zephyrunner strikes a perfect balance of wind-breaking breathability with a CFM rating of 16 engineered specifically for running + high-activity output activity

Multi-condition preparedness
Hyperlight, durable nylon shell is water-resistant and wind-blocking for whatever the trail may bring

Ready for anything
Stows into chest pocket for easy packability

Secure fit
Bungee hem and hood toggle allow for an adjustable fit on the fly, reducing exposure in windy conditions

Keep it separated
2 zip hand pockets and a zip chest pocket stash small essentials close at hand

Visibility
Signature reflective logos for improved visibility in low light