The next evolution of our the 509 Women’s Syn Down Ignite Jacket is here, 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. With two strategically placed heat zones in the chest and back, 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 3000mAh battery pack. Built from breathable stretch woven shell material and featuring syn down blow-in synthetic insulation, hand warmer pockets, and a removable hood, this heated midlayer is a versatile addition to your cold weather and go-anywhere collection.