Product details:

From fall to winter and well into the spring season, the 5V Heated Puffer Mens Vest will be the most versatile piece in your wardrobe. Constructed with a water-resistant shell to shed away light snow and ice, this puffer vest is perfect to layer over your favorite mid-layer or sweater. 120 grams Fill Synthetic Insulation is light enough to fit a ski jacket or shell over as well. To utilize the heating elements, simply press the chest button controller for 3 seconds. Press the button again to adjust to one of the three temperature settings and it's that easy, the lower the heat setting, the longer the battery will last and vice versa. The heating elements are located on the upper chest and back, with the purpose of warming your core body temperature. This sleeveless body warmer is complete with two hand warmer pockets so you can enjoy the 5V Heated Puffer Vest over your favorite mid-layer or underneath the perfect ski shell