Powered by a 7.4v lithium battery pack and charger (both included). Concentrates heat in upper chest and lower back. Built-in digital controller allows heat output to adjust with setting from 1 to 5. Battery provides 4 hours of heat on highest setting, over 10 hours on lowest setting. Vest is designed with side zippers that allow adjustment for custom fit. Color: Black

Available as follows Qty Size Available On Order Price M 148 0 $109.99 L 147 0 $109.99 XL 192 0 $109.99