Features 1、Fast Heating: 3 seconds quick heating, warmth without waiting, delicate and full of heating, long press three seconds to turn on. 2、3 Gears Adjustment: This heating vest has 3 gears to adjust the temperature at will, 30℃ blue light for energy saving gear, 40℃ white light for comfort gear, 50℃ red light for warm gear. 3、9 Zones Infrared Heating: Humanized heating parts design, for the neck and back vulnerable to cold, infrared heat, no harmful radiation, adopts delicate carbon fiber heating wire. 4、Washable: This electric vest can be washed by hand or machine, unplug the mobile power supply and take off the intelligent thermostat as you like. 5、Ideal for Outdoor Activities: This heated vest is ideal for outdoor activities, hunting, skiing, fishing, motorcycle, camping, hiking, office, etc. 6、Lightweight Comfortable: The heating vest is made of light heat insulation material, which can help you keep warm easily, and you don't need to wear heavy winter clothes all winter. Item Type: Heated Vest Material: Polyester Fiber Color: Black Applicable: elderly daily work, overtime and cold protection, female protection, street work, winter travel, outdoor duty Size: M/166: Length: 65cm / 25.6in, Chest: 102cm / 40.2in, Shoulder: 40.3cm / 15.9in, Collar Height: 7.5cm / 3.0in L/170: Length: 67cm / 26.4in, Chest: 106cm / 41.7in, Shoulder: 41.5cm / 16.3in, Collar Height: 7.5cm / 3.0in XL/175: Length: 69cm / 27.2in, Chest: 110cm / 43.3in, Shoulder: 42.7cm / 16.8in, Collar Height: 7.5cm / 3.0in 2XL/180: Length: 71cm / 28.0in, Chest: 114cm / 44.9in, Shoulder: 43.9cm / 17.3in, Collar Height: 7.5cm / 3.0in 3XL/185: Length: 73cm / 28.7in, Chest: 118cm / 46.5in, Shoulder: 45.1cm / 17.8in, Collar Height: 7.5cm / 3.0in 4XL/190: Length: 77cm / 30.3in, Chest: 122cm / 48.0in, Shoulder: 46.3cm / 18.2in, Collar Height: 7.5cm / 3.0in Package List 1 x Vest