DetailsFieldSheer Women's Size Chart The Mobile Warming Bluetooth® enabled 7.4volt Company Vest is designed for everyday use. The Company was designed to keep you warm in cold weather conditions, from hiking to hunting, or on the commute to work, the Company Heated Vest keeps you warm & comfortable in any activity. The light-weight shell with Wind-Shark® protection technology is engineered to keep wind, rain, & water where they belong - away from your body. Powered by a rechargeable 7.4volt lithium-ion battery, the Company’s large heat zones keep you warm for hours. The Company Vest allows you to change the temperature on-the-fly wirelessly. The Company Vest features exclusive Bluetooth® enabled integrated touch control button. Use the free MW Connect™ app to adjust temperature or check battery levels to keep you warm and comfortable all day.