Features1. Perfect to wear under jacket or coat for skiing, walking dog, office daily. It's simple to take it outdoors when completing activities such as fishing, hunting, mountain motorcycle or camping during the winter months. Heated vest helps to improve blood circulation, promote metabolism, reduce muscle stiffness. Withstand the cold winter. 2. These heated vest keep you warm anywhere such as enjoy skiing,motorcycle,climbing,hiking, hunting,or office routine and business try during fall and winter.Fit for all kinds of scenes. 3. This vest is very warm and comfortable, very light and thin making, ideal gift for family members, friends, employees. One size fits both men or women, thin or fat, young or old. Specification: Material: Polyester Color: Bule, Black Size: S M L XL 2XL 3XL 4XLPackage Includes:1* Vest