The ActionHeat 5V Battery-Heated Softshell Vest for Men is revolutionary in the world of heated clothing! Tri-Zone heating system features 3 built-in heating panels, strategically placed on the chest and upper back, to warm your core body temperature. In addition, a water-resistant softshell protects against rain and snow, while a breathable fleece lining and a layer of heat-trapping insulation guard against frigid temperatures. Plus, this heated vest comes with a powerful ActionHeat 5V, 6,000mAh power bank, so you can also charge your phone, tablet, or any USB device. (Note: Heating times will diminish if used to charge other devices.) Touch-button control technology with 3 settings. 4 LED indicators display power bank battery life. 2 zippered pockets and a hidden battery pocket offer convenient storage. Cinch bungees for a comfortable fit. YKK zippers throughout. 5V signal technology allows for most 5V batteries to be used with the ActionHeat Jackets and Vests. Made of 94% polyester/6% spandex. Includes power bank and charging kit. Machine wash. Imported.Manufacturer style #: AH-VST-5V. 94% polyester/6% spandex Tri-Zone heating system with 3 built-in heating panels Water-resistant softshell Breathable fleece lining 5V, 6,000mAh power bank lets you charge the vest or other USB devices Touch-button controls with 3 settings 4 LED indicators display power bank's battery life 2 zippered pockets and a hidden battery pocket Cinch bungees for a comfortable fit YKK zippered throughout 5V signal technology lets you use the vest with most 5V batteries Includes power bank and charging kit