Featuring patented heating technology, the Gerbing 7V Torrid Jacket for Men provides superior cold weather warmth you can depend on. This winter coat features 4-way stretch for superior comfort and flexibility, while 4 built-in, microwire heating panels are strategically placed on the chest and upper back to warm your body's core temperature for lasting comforteven in brutally cold temperatures. An insulated hood provides additional comfort and warmth. The system utilizes 7V rechargeable batteries and comes with a powerful 3400mAh power bank that can also be used to charge your phone, tablet, or any USB device. What's more, this water- and wind-resistant jacket features a full-zip front and a hidden battery pocket for maximum convenience. 100% polyester. Estimated Heating: 100% power (135F) for 2+ hours; 75% power for 3+ hours; 50% power for 5+ hours; and 25% power for 8+ hours. Charging time: 46 hours. Machine wash. Imported.Manufacturer style #: GER-TJKT. 100% polyester Machine washable 4 heating zones Touch-button control with 4 heat settings Full-zip front Zippered chest pocket 2 zip hand pockets plus hidden battery pocket Powerful, rechargeable 7V batteries Provides warmth 2+ hours on high; 8+ hours on low Includes power bank and USB charging kit