Item Type: Heated VestMaterial: PolyesterColor: BlackApplicable to: Elderly daily work, overtime and cold protection, street work, winter travel, outdoor dutySize:S/160: Length: 63cm/24.8in, bust: 98cm/38.6in, shoulder: 39.1cm/15.4inM/166: Length: 65cm/25.6in, bust: 102cm/40.2in, shoulder: 40.3cm/15.9inL/170: Length: 67cm/26.4in, bust: 106cm/41.7in, shoulder: 41.5cm/16.3inXL/175: Length: 69cm/27.2in, bust: 110cm/43.3in, shoulder: 42.7cm/16.8in2XL/180: Length: 71cm/28.0in, bust: 114cm/44.9in, shoulder: 43.9cm/17.3in3XL/185: Length: 73cm/28.7in, bust: 118cm/46.5in, shoulder: 45.1cm/17.8in4XL/190: Length: 77cm/30.3in, bust: 122cm/48.0in, shoulder: 46.3cm/18.2inCollar Height: 7.5cm/3.0in 1Fast and 3 Heating Zones: This vest can fast heat in 3 seconds, no need to wait for warmth, and press for 3 seconds to open. And it has 2 heating zones that is humanized heating part designed, targeted at the neck and back parts easy to get cold. 23 Gears: This heating waistcoat has three gear temperature adjustment that 30 blue light energy saving gear, 40 white light comfortable gear, 50 red light warm gear. 3Washable: This electric heating jacket can be washed by hand or machine. Unplug the mobile power supply and remove the intelligent thermostat then you can wash as you like. 4Infrared Heating and Polyester: The vest uses infrared heating, no harmful radiation, and adopts imported carbon fiber heating wire, and it is made of light heat insulation materials. It can help you keep warm easily. 5Widely Applicable: This heated vest is ideal for outdoor activities, hunting, skiing, fishing, motorcycle, camping, hiking, office, etc.