SIZE CHART: S-M: length 67cm, chest 106-114cm, shoulder 42cm, sleeve 63cm; L-XL:length 71cm, chest 114-122cm, shoulder 45cm, sleeve 66cm; 2XL-3XL:length 75cm, chest 122-130cm, shoulder 48cm, sleeve 69cm; 4XL-5XL:length 79cm, chest 130-138cm, shoulder 51cm, sleeve 72cm; The clothes have a USB interface, please bring your own power bank. Our package does not include a power bank. Versatile Design: This winter heated jacket is made from premium waterproof softshell material that offers excellent breathability, while also providing good resistance to dirt, scratches and wind.The soft insulation lining and heat retention system ensure optimal warmth and comfort, even without using the heating function.Practical and stylish combined, this self heated jacket is suitable for most men and women. Warming Gift: The heated winter jackets support machine washing or hand washing. Suitable for winter outdoor activities such as hiking, climbing, skiing, fishing, hunting, and work.The electric heated jacket is well made and makes an ideal holiday gift for family and friends.