Gobi Heat Men's Ibex Heated Work Vest - Built for extreme durability and warmth on the jobsite, ranch or farm. Outlast the cold of the winter with the Ibex heated workwear jacket. Low, medium and high heat settings 5 different heating zones Up to 9hrs battery life (while on low setting) Switch out an extra battery with ease for longer use with removable battery Machine washable Water resistant - moisture wicking means water beads right off YKK Zippers 380g duck cotton material Battery has LED Life Indicator lights and USB port for mobile charging Style: IB