The PowerVest Heat is a synthetic heating jacket for men designed by Therm-Ic, perfect for enjoying your outdoor activities all year round. This sleeveless jacket is thin and lightweight, allowing you to wear it under another jacket during the coldest periods or easily slip it into your bag to take it with you everywhere. The PowerVest Heat is equipped with 5 intelligently distributed heating zones, ensuring a gentle and even heat distribution to provide you with maximum comfort. Operating via Bluetooth® with the Therm-Ic Heat control app, this sleeveless heating jacket is designed to give you the ability to easily adjust the heat from your smartphone. 5 ultra-thin heating elements, allowing good heat distribution at the belly, pockets, lower back, and back Compact and lightweight, you can easily fold your jacket and save space in your bag Jacket designed without animal-derived materials Bluetooth function for heat level control via your smartphone Works with all external chargers (not included) Estimated heating times based on Powerbank capacity: 3000 mAh = 3h / 5200 mAh (Therm-Ic Universal Powerbank) = 5h / 10,000 mAh = 10h Powerbank battery not included USB U-Pack cable included: allows you to activate the Bluetooth® of the Therm-Ic jacket to control the heating of the jacket via the Therm-Ic heat control app When the jacket is not connected to the app, the heating power is at maximum You can machine wash your jacket but don't forget to add the cap on the USB end Compatible Powerbank battery: Slim Universal PowerBank Battery Therm-Ic PowerVest Heat - Synthetic heating jacket - Men's