Note: Battery not included High-quality soft materialThis heated vest is made of 100% polyester fiber. The heating element adopts the latest carbon fiber technology, which can be heated quickly within 10 seconds. Warm vestThis slim-fit vest is made of breathable fleece fabric, which has excellent cold resistance. Heated vests are suitable for outdoor activities, skiing, motorcycles, hiking, camping, can withstand the cold winter wind. Heated Jackets For Men WomenHeated Jackets lightweight insulation, waterproof and windproof, Support Hand/ Machine/ Dry wash,suitable for men, women, boys and girls. Perfect as birthday gift, thanksgiving gift and christmas gift. Safe ComfortableUpgraded designed heating system ensures you enjoy comfortable warmth,graphene carbon fiber wire heater no harmful radiationStable performance, safe and reliable. NoteThe warm vest can be washed in the washing machine. It is recommended that you use a laundry net and put the silicone sleeve on the interface when washing in the washing machine, but hand washing is most recommended (*Warning: do not use dry cleaning).