This heated sweatshirt is designed to provide fast, even warmth with five carbon fiber heating zones and three adjustable temperature levels. It includes a 7.4V 16000mAh rechargeable power bank for 4-8 hours of heating performance. The outer shell uses a cotton and polyester blend with a soft polar fleece lining for comfort and durability. Its unisex fit and adjustable hood make it suitable for winter outdoor work, camping, commuting, and everyday cold-weather use.