Fieldsheer Men's Backcountry Heated Winter Jacket - The Backcountry provides instant heat when the weather turns cold, keeping you outdoors and enjoying your favorite activity. This garment runs small Lightweight 100% Nylon Outer Shell 100% Primaloft Synthetic Down Polyester-Filled Core 100% Polyester Inner Liner with Zapsheer Anti-Static Technology 2 Waist Zipper-Close Hand Pockets Internal Storage Pocket Stow-Away Carry Bag Tri-Zone Heating: Left & Right Chest & Upper Back Bluetooth-Enabled Wireless Control MW Connect Mobile App Compatible on Apple Store and Google Play Store Integrated Waterproof Touch Control Button 4 Selectable Instant Heat Settings Powersheer Rechargeable Lithium-Ion Battery (7.4V 2200mAh) Up to 10 Hours of Power Per Charge UL/CE certified USB Cable included Charge Time 3-4 hours