•Classic Style Design: Warm, comfortable undershirt will ensure you don't lose excess heat and enjoy the warm comfort•Multifunctional: It is soft, waterproof, and windproof so that you are not limited to outdoor sports without losing elegance•USB Charging, and Safe Washing: It is easy to carry. Connect 5V Power Bank (Power Bank is Not Included)•Three temperature control: high temperature, medium temperature, and low temperature three modes of adjustment, heating convenient•Warm Protection: Our heated vest can warm your body gradually to promote blood circulation and relieve stiff muscles caused by cold winter•Lightweight: The heated vest is lightweight which can make it easier for you to go through the whole winter without wearing bulky clothesSpecifications:•Fabric: Polyester•Lining: polyester •Three temperature control: warm gear 45°C, comfort gear 35°C, energy-saving gear 25°C•Operating temperature range: about -5°C to 40°C•Waterproof rating: (IP)3Size (cm): •L: Length 67, Bust 57, Bust width 41.6, Hem 48•XL: Length 69, Bust 59, Shoulder 42.7, Hem 50•2XL: Length 71, Bust 61, Shoulder 43.9, Hem 52•3XL: Length 72.5, Bust 63, Shoulder45.1, Hem 54•4XL: Length 74, Bust 66, Shoulder 46.3, Hem 56•5XL: Length 75.5, Bust 69, Shoulder47.5, Hem 58•6XL: Length 77, Bust 72, Shoulder49, Hem 60•7XL: Length 78, Bust 75, Shoulder50.5, Hem 63Note: Because the size is manually measured, there is a 1-2cm error that is normal. Package included:•1 x Heated Vest•Other items not included