The Fieldsheer® Bluetooth®-enabled 7.4-volt Frontier Heated Jacket blends function with fall fashion. It's a button-up with a multidimensional design blending a black denim cotton shell with a soft and stylish flannel interior. The Frontier features 2 button-secured chest pockets and 2 hand pockets on the waist. To keep you warm in those cold conditions, the Frontier Heated Jacket is heated with our tried-and-true 7.4-volt heating system powered by our Mobile Warming® rechargeable 7.4-volt Lithium-Ion battery. Through the free MW Connect™ app, you can quickly toggle through all connected Fieldsheer® powered by Mobile Warming® technology garments and adjust individual heat levels to your liking. MW Connect™ app allows you to get real-time updates on battery levels and update your garments when new firmware becomes available. Make the Frontier Heated Jacket a true fall essential in your wardrobe.