General description This Men's and Women's Nine-Zone Dual Control Heated Vest features advanced electric and infrared heating technology, providing fast and even heating across 9 zones. Designed to keep you warm in cold weather, this vest is perfect for outdoor activities and daily wear during winter. Technical specifications Heating zones: 9 Temperature settings: 3 levels (Red light: 45°C, Blue light: 35°C, White light: 25°C) Heating time: Up to 6 hours Material: 100% polyester Size (cm): 2XL - Mid Back Length: 62; Bust: 106; Swing: 104; Shoulder: 42 Compatibility and accessories USB powered; battery not included (must be purchased separately) Usage Ideal for outdoor activities such as cycling, hunting, camping, hiking, skiing, and fishing Can be worn under other clothing for added warmth Great gift for elderly or those who work outdoors in winter Other information Heating is distributed over the whole body, especially effective for the neck Lightweight and comfortable design Fast