The ACTIONHEAT 5-Volt Battery Heated Insulated Flannel Shirt is the perfect blend of style and function. With a layer of comfortable insulation, it can be worn as an outer layer or underneath a heavier jacket or vest. The insulated flannel is perfect for someone on a work site, going to a ballgame or any outdoor activity. You can now look stylish while staying warm and cozy in all conditions. The ACTIONHEAT flannel shirt comes with a super powerful ACTIONHEAT 5-Volt 6000 mAh Power Bank. This power bank powers your garment and can also charge your phone, tablet or any USB charged device. Note: Heating times will diminish if used to charge other devices. A touch-button LED button with 3 different heat settings, Low, Medium and High, provides easy heat controls on the shirt. ACTIONHEAT battery heated apparel utilizes innovative technology designed to warm the core body temperature. These revolutionary garments feature built-in heating panels and are made with ActionFlex material that provides light-weight warmth, comfort and versatility. Size: Large. Color: Red/Black. Gender: male. Age Group: adult.