A unisex heated sweatshirt typically works by incorporating heating elements, such as thin, flexible metal wires or carbon fiber, into the fabric of the sweatshirt. These heating elements are powered by rechargeable batteries, and can be activated by a switch or remote control to provide warmth. This kind of productions are usually including the feature as following:

• Lightweight insulated for you to wear in many ways with unrestricted movement
• This Unisex Heated Sweatshirt is perfect for walking your dog in brisk fall air, tailgating for your favorite football team, underneath your winter jacket or even in a way-too-cold office

• 3 carbon fiber heating elements generate heat across core body areas (left & right chest, back)
• Adjust 3 heating settings (high, medium, low) with just a simple press of the button
• Up to 10 working hours (3 hrs on high, 6 hrs on medium, 10 hrs on low heating setting)
• Heat quickly in seconds with UL Certification
• USB port for charging smart phones and other mobile devices