Features: Waterproof and Windproof:Made of polyester with down padding. Soft material environmental protection safe and reliable. Waterproof warm breathable wear-resistant ultra-light. Safe & Comfortable:Upgraded designed heating system ensures you enjoy comfortable warmthStable performance safe and reliable.jacket soft & comfortable It can help you easily live through a whole winter. USB Rechargeable:Built-in heating module intelligent heating You can use your own power bank to charge the heat up jacket Up to 8-10 working hours. Perfect Gift: Our heated vest can make you feel warm and comfortable when you have outdoor activities such skiing skating or working . And certainly this heated coat is an ideal winter gift for your kids. After-sales Service:If you have any problem please contact us immediately we will help you solve it as soon as possible. Specification: Material:polyester Size: Size Waist(cm) Length(cm) Shoulder(cm) 120 43 51.5 37 130 45 55 39 140 47.5 58.5 41 150 50 62 43 160 52.5 65.5 45 170 55.5 69.5 47 NOTE: No battery included includes: 1*coat "