[New Upgraded Heated Vest] ----- Our heated vest for men women are built-in 13 carbon fiber heating elements and smart overheat protection across the front and back, which can quickly and safe generate heat. Even in extremely cold weather, you can quickly enjoy the comfort brought by warmth.[2 Controls] ----- The double control button allows you to freely control the heating zone, one button controls the 6 heating zones in the front, and the other button controls the 7 heating zones in the back. Through press the intelligent key on the stand collar heated gilet, you can control the heating level easily, bring you an unprecedented comfortable experience.[Lightweight & Fashion Design] ----- Fine interior lining with feature of anti-static and excellent heat preservation for unrestricted comfort and coziness in fall and winter. With quality zipper on the front, you can layer this unisex USB heated vest over varieties of tops to add a touch of style for refined looks.[Mmulti Usage] ----- Intelligent heating vest coat is ideal for hunting, fishing, camping, hiking, snowmobiling in winter.[Attention Required] ---- Battery is NOT included. You can plug in the power bank that charges the phone to charge the electrically heated jacket.Size: S, M, L, XLS --- Chest: 114cm, Shoulder: 44cm, Length: 71cmM --- Chest: 118-122cm, Shoulder: 45cm, Length: 72-74cmL --- Chest: 126cm, Shoulder: 48cm, Length: 76cmXL--- Chest: 126cm, Shoulder: 48cm, Length: 76cmNotes:1. Please allow slight 1-3 cm difference due to manual measurement.2. Please note slight color difference should be acceptable due to the light and screen.Package includes:1 x Heating Vest