Microwire heating panels are close to your body and traps the heat - making it an ideal choice for all cold weather activities without adding bulky layers. Comfortable, stretchy, and soft fabric easily moves with you for indoor/outdoor activities. Powerful Microwire heating system includes built-in heating panels strategically placed on the chest and upper back. Change heat settings with touch-button control technology. Battery voltage: 7 volt. Content: 92% Polyester / 8% Spandex. Shirt includes:. Gerbing 7V 2,600 mAh Rechargeable Battery. Single Wall Charger. Gerbing Lifetime Warranty.
