Venture Heat Women’s Heated Vest. Size XS What it is: bluetooth enabled insulated puffer vest with four heating zones Heat-zones: right & left chest, back, collar Runtime: 10 hrs (low), 6 hrs (medium), 3 hrs (high), in-app runtime varies on setting What's in the box: includes heated vest, 7.4V battery (750B), and USB-C charging cable Carrying bag included. Reasonable offers Accepted. Bundle up for extra discount and save on shipping