Quick-heat function reaches selected temperature 3X FASTEROne-touch LED controller with (3) heat settings per heat zoneUp to (8) hours of run-time with M12? REDLITHIUM? 2.0 Compact Battery PackHeating Zones: Chest, Back, & PocketsWasher and dryer safePowered by M12? REDLITHIUM? Battery Technology, Milwaukee M12? Heated ToughShell? Jackets use carbon fiber heating elements to create and distribute heat to the chest, back, and front hand pockets. A one-touch LED controller allows users to select from three heat settings, delivering ideal heat for any environment. The new Quick-Heat function allows users to feel heat 3X faster than previous jackets and market competitors. For use in abrasive environments, ToughShell? Stretch Polyester delivers 5X Longer Life than previous softshell jackets, and provides wind and water resistance to survive the elements.