Gobi Heat Ibex Heated Work VestThe Ibex Vest from Gobi is perfect for those days on the job when you need a bit of heat, but don't need the bulk of a jacket. Powered by 7.4V 6700 mAh rechargeable Lithium-Ion battery, the Ibex Heated Vest is constructed out of sturdy cotton duck material. The ribbed collar will keep out the chill while you are on the clock. Stay warm longer with the Gobi Heat Ibex Work Vest.Features:5-zone heating (2 on the chest, 1 behind each lower pockets, and 1 large zone on the back)One-touch LED controller with 3 different heat settings: Low, Medium, and HighConductive thread heating technologyBattery:6700 mAh 7.4 volt slim-profile rechargeable Li-IonbatteryHeats up to 9 hours on a single chargeCharging cable includedMaterials:Wind- and water-resistantNylon liningUltra-rugged duck cotton exterior fabricAdditional Features:Ribbed shawl collarHandwarmer pouch pocketsDroptail hemYKK zipperMachine washable Gobi Heat Ibex Men's 5 Zone Heated Workwear Vest