Features1. Provide a balanced heat temperature, will not overheat your body, it will make you feel warm in the cold winter, instead of sweating because of overheating.2. Using carbon fiber heating wire design, long-lasting temperature lock, heating jacket covers more heating area.3. Perfect match with your sweater and shirt.4. Suitable for various outdoor activities, such as hiking, running, jogging, hunting, climbing, fishing, etc. It is a perfect Christmas and New Year gift for friends, parents and family.5. Three-speed temperature control, intelligent heating. Specifications:Product Name: Heating Vest Material: 100% Polyester Size:M,L,XL,2XL,3XL,4XL,5XL,6XL Color: BlackPackage Included:1x Heating Vest