SIZE CHART: S: back length 63cm, chest 102cm, hem 100cm, shoulder 42.5cm; M:back length 65cm, chest 106cm, hem 104cm, shoulder 44cm; L:back length 67cm, chest 110cm, hem 108cm, shoulder 45.5cm; XL:back length 69cm, chest 114cm, hem 112cm, shoulder 47cm; 2XL:back length 71cm, chest 118cm, hem 116cm, shoulder 48.5cm; 3XL:back length 73cm, chest 122cm, hem 120cm, shoulder 50cm; 4XL:back length 75cm, chest 126cm, hem 124cm, shoulder 51.5cm; 5XL:back length 77cm, chest 130cm, hem 128cm, shoulder 53cm; 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.