Gerbing's Gyde 7 volt Calor Puffer Filled Vest-Womens-Tonal(Camo)-Xlarge Ultra-light and extremely warm garment & Water-resistant/windproof outer shell fabric 278 grams of synthetic insulation fill. Four Microwire heating zones: collar, chest (2), and back. Reaches temperature of 135 degrees F. Equipped with a dual mode 7 volt battery and a wall charger.