The next evolution of our the 509 Syn Down Ignite Jacket is here to change the game, now with smart clim8® technology and seamless detection activation. Simply slide on the jacket to activate responsive heating for up to five hours of added warmth. Built from breathable stretch woven shell material and featuring syndown blow-in synthetic and synloft thinsulate insulation, hand warmer pockets, and a removable hood, this heated midlayer is a versatile addition to your cold weather and go-anywhere collection. With two strategically placed heat zones in the body and arms, all you have to do is set your desired temperature on the clim8® app and this smart powered jacket will continually adjust based on body temperature and activity level for your optimal warmth when needed. Powered by a 12V DC 2000mAh battery pack or use the standard DC plug included for direct power to your machine. Upgrade your winter gear with the 509 Syn Down Ignite Jacket, designed for comfort in cold weather.