The Mobile Warming® KCX Terrain Heated Vest is a classic full zip hunting vest in the King's Camo KC Ultra pattern. Incorporating Fieldsheer's advanced Mobile Warming® 7.4V 5-zone heat system with Bluetooth temperature control, the KCX Terrain Vest is the perfect item to throw over a shirt or hoodie on those cool fall days. And when the weather turns cold, Fieldsheer's no bulk design fits nicely under your favorite jacket eliminating the need for multiple layers, keeping you warm up to 135 Deg. Combining the versatile KC Ultra pattern with premium features like 4-Way stretch low noise fabric, DWR water repellent finish, Polygeine Odor control, grid fleece interior, Fieldsheer's KCX Terrain Heated Vest will keep you concealed, protected, comfortable, and best of all...warm!