•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 clothes Specifications: •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)3 Size (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 63 Note: 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