Gobi Heat Dune Heated VestThe Dune Vest from Gobi is jam-packed with features. Three large zones of heat (two on the chest and one on the back) provide hours of warmth. The touch-button easily lets you change the level of heat you desire from Low to Medium to High. It could not be simpler! Enjoy up to 10 hours of blissful warmth in the fashionable. Gobi Heat Dune Heated Vest.Features:3-zone heating (2 on the chest and a large zone in the back)One-touch LED controller with 3 heat settings: Low, Medium, and HighConductive thread heating elementsZippered hand pocketsBattery:6500 mAh 7.4 volt slim-profile Li-Ion batteryHeats up to 10 hours on a single chargeCharging cable includedMaterials:Wind- and water-resistant nylon fabricAbrasion-resistantYKK zippersMachine washable Gobi Heat Men's Dune 3 Zone Heated Vest