About Size There is our detailed size chart in the product pictures, please refer to the size chart in the picture, usually it is recommended to buy one size up.heated vest for men/women, electric heating coat heated body warmer temperature control extra collar heated hiking,ice skating for heated jacket/sweater/thermal underwear battery not included , 3 heating setting with power bank heated gilet, unisex winter hooded heated gilet outerwear for men women, lightweight usb electric heated clothing vest with 3 heating levels, adjustable size heated body warmer vest with detachable heating hood slim fit electric heating giletheated body warmer vest for man woman, neck warmer heated gilet for hunting, outdoor, camping warm jacket for outdoor camping sking heated body warmer with 10000mah battery pack, blackno power bank not included battery heated vest for men/women electric heating vest lightweight electric heated body warmer with 14400mah battery pack for outdoor camping hiking hunting heated vest for women, heated jacket with usb electric thermal body warmerheated gilet heated jacket for men women 8 heating zones winter warm heated vest 3 levels heated body warmer heated coat usb electric vest coats for ski hiking moto (not battery) electric heated vest with 9600 mah battery heated gilet heated jacket for men women 8 heating zones winter warm heated vest 3 levels heated body warmer heated coat for ski hiking moto (not battery,xl) waterproof heating vest for men and women, 3 stalls adjustable temperature heated giletmen's fleece heated vest with battery pack heated gilet for men , washable heating waistcoat for outdoors (power bank not included) women men heated vest electric heated jacket washable heated clothing vest usb charging electric body warmer gilet heated vest electric warm vest body warmer clothes washable lightweight with adjustable temperature control heating thermal jacket for women men winter outdoor activities with 9 heating area for motorbike outdoor skiing,camping hiking(no power bank)