Gobi Heat Dune Heated Women's VestNote: The Dune has an athletic, snug cut. If you are looking for a more relaxed fit, we highly recommend ordering a size larger than the size chart suggests.The Women's 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 Women's 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 Lithium-ion batteryHeats up to 10 hours on a single chargeCharging cable includedMaterials:Wind- and water-resistant nylon fabricAbrasion-resistantYKK zippersMachine washable Gobi Heat Women's Dune Heated Vest