AlphaCool Polar Cooling Ice Vest Size:One Size The ActionHeat 3000maH batteries are

The ActionHeat 3000maH batteries are super slim

USB output: 5-Volt/2-amp max

The jacket's fabric is engineered to wick away moisture

Colors Available: Grey and Blue

Ultra-thin and lightweight design for maximum comfort

AlphaCool Polar Cooling Ice Vest Size:One Size The ActionHeat 3000maH batteries areThe 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