"AN INGENIOUS SOLUTION TO LAYERING IN

CHILLY TRANSITIONAL WEATHER."

— MATT, NC

Carbon-Z4 Heating System

Runtime

10 hours - low

6 hour - med

3 hour - high

Heating Panels

right chest

left chest

neck

back

Control Type

10 in-app settings

3 on-board settings

Integrated with HeatSync™

Control your heated apparel remotely

featuring

Exclusive Bluetooth App +

On-Board Manual Button Controls

Learn More

notes from our lab

Combine a weather resistant puffy vest with high-end heating performance

for a versatile mid-layer wearable alone or under a jacket

Ultralight Battery

5000 mAh capacity

now 40% smaller and lighter

engineered ultracompact lithium-ion cells

UL Certified / TSA Approved

Shop Battery Update

specs

Wind and rain resistant
TSA Airlines Approved
5000 mAh lithium-ion UL Approved ultralight battery

7.4V PLUS Power System
SKU ROAM-BT8709W
with HeatSync™ App Control

"AN INGENIOUS SOLUTION TO LAYERING IN CHILLY TRANSITIONAL WEATHER."