Features: NOT INCLUDE BATTERY PACK. Experience warmth with the 4 zone control and 28 heating areas in this USB powered heated vest, perfect for adjustable comfort in any environment. Craft from premium polyester fiber, this heated vest ensures rapid heat distribution and insulation while maintaining lightweight flexibility. Practical resin hinges, support hand/soft machine washing,removing the battery pack before washing. Heated vest with 3 level intelligent control adjustment, over the cores body areas (shoulder neck, back, left/right stomach, total main control ). Zipper pocket, elastic cuffs, water resistant USB and Direct Current interfaces, filled with quality cotton fleece. 5V and 7V safe working voltages,fast heating. Set up protecting design for ensuring that it heats up fast in second and protected from current, overheating. Suitable for outdoor sports, travel and other occasion. Specifications: Component: Polyester Optional Color: As picture shown Optional Size: app. As picture shown(Chinese Size,follow the size chart) Size:S Length:62cm(24.41inch) Shoulder:37.5cm(14.76inch) Bust:96cm(37.80inch) Size:M Length:64cm(25.20inch) Shoulder:39cm(15.35inch) Bust:100cm(39.37inch) Size:L Length:66cm(25.98inch) Shoulder:40.5cm(15.94inch) Bust:104cm(40.94inch) Size:XLsize Length:68cm(26.77inch) Shoulder:42cm(16.54inch) Bust:108cm(42.52inch) Size:XXL Length:70cm(27.56inch) Shoulder:43.5cm(17.13inch) Bust:112cm(44.09inch) Size:XXXL Length:72cm(28.35inch) Shoulder:45cm(17.72inch) Bust:116cm(45.67inch) Quantity: 1pc Package Includes: 1pc Heated vest note: Please allow 1-3cm error due to manual measurement. please sure you not mind before you bid. Due to difference between different monitors, the picture may not reflect the actual color of item.