Features: Experience advanced warmth with this USB powered heated vest with 28 zone heating and 3 temperature setting, designed to combat winter chill through intelligent thermal regulation technology. Crafted from polyester fabric with a powerbank, it delivers 6-8 hours of adjustable warmth while maintaining breathability for all day comfort. Ideal for outdoor, winter sports enthusiasts, and cold climate residents seeking great heating solution during extended activity in low temperature environments. Perfect for mountain hiking, ski trips, early morning commutes, or outdoor event where conventional jackets fails to provide sufficient warmth against biting winds. The ergonomic control panel enables easy temperature adjustments across strategically placed heating zones, ensuring customized comfort. Specifications: Component: Polyester Powerbank: Power: 2W; Output: 5V-2A Working Time: levels 1: 6 hours. levels two: 7 hours. levels 3: 8 hours Color: Black, Beigecolor, Red Size: S-7XL Size:S Length:62cm(24.41inch) Size:M Length:64cm(25.20inch) Size:L Length:66cm(25.98inch) Size:XL Length:68cm(26.77inch) Size:2XL Length:70cm(27.56inch) Size:3XL Length:72cm(28.35inch) Size:4XL Length:74cm(29.13inch) Size:5XL Length:76cm(29.92inch) Size:6XL Length:78cm(30.71inch) Size:7XL Length:79cm(31.10inch) Package Includes: 1pc Heated Vest and 1pc Powerbank note: Please allow 1-3cm error due to manual measurement. Due to the differences between different monitors, the picture may not reflect the item actual color.