The Mobile Warming Bluetooth® enabled 12 V ridge duck down heated jacket is designed for the active lifestyle. The lightweight, 100% nylon outer shell with ultra warm duck down core is perfect for hikers, climbers or anyone who spends long periods in the cold. The 500 fill 85 or 10 duck down core allows for free movement during even the most rigorous outdoor activity. Powered by a rechargeable 12 V Lithium-Ion battery, the Ridge's large heat zones keep you warm for hours. The ridge can wirelessly change heat on the fly. The ridge heated jacket features our exclusive Bluetooth® enabled integrated touch control button. Use the MW Connect™ app to adjust temperature or check battery levels to keep you warm and comfortable all day. The ridge heated jacket provides instant warmth when the weather turns cold, keeping you outdoors and enjoying your favorite activity.