🌟 9 Zone Heated Vest Electric Heated Jacket Stay warm in style with our 9 Zone Heated Vest. Perfect for men and women, this electric heated jacket features a graphene heat USB heating design. Made from polyester, it's ideal for winter wear. The hooded design ensures soft and warm comfort. Suitable for daily casual wear, it adds a street style touch to your outfit. Battery not included. Choose the right size based on our Asian sizing chart. 📏 Size and Battery Recommendations We offer Asian sizing, 2-3 sizes smaller than European. Please select the correct size from our size chart. We recommend using batteries with high USB Power Delivery (unit: W). Higher USB Power Delivery results in higher heating temperature. Example: 10W=5V2A, 22.5W=5V4.5A.