AlphaCool Polar Cooling Ice Vest Size:One Size Plug-In - Connect the power

Plug-In - Connect the power bank to USB plug located in the pocket on the back of the neck

it's easy to add warmth and keep your neck and shoulders nice and toasty

Turn On - Press the red power button on the power pack to turn it on

The jacket's fabric is engineered to wick away moisture

Versatile and Practical: The ActionHeat 5V Battery Heated Waffle Knit Hat is versatile enough to be worn in various outdoor activities such as hiking

AlphaCool Polar Cooling Ice Vest Size:One Size Plug-In - Connect the powerThe AlphaCool Polar Cooling Vest is designed to keep you cool and comfortable in hot weather and warm working conditions. The unique design of this ice vest allows you to simply slip it on and instantly cool your core temperature to reduce the dangerous effects of heat stress. This ultra thin cooling vest remains flexible at any temperature for ultimate comfort and temperature regulation because it stays close to your body at all times. Filled with