The Mobile Warming Heated Longmen Shirt is made with an antibacterial stretch fabric, with mesh side inserts for flexibility. The Longmen shirt comes with a rechargable battery and charger to ensure that you can stay warm even when you’re on-the-go. The battery can provide up to 10 hours of warmth on the lowest setting. There are three heated panels lined with steel alloy fiber elements; two on the chest and one on the upper back. These panels will be sure to keep your torso warm. To learn more about the Mobile Warming Heated Longmen Shirt, Mobile Warming gear, and our other heated motorcycle gear options, take a look at our website: CompetitionAccessories.com!