Gerbing or Warm and Safe. Be sure to get the newer, windproof models that have exterior pockets. Personally, I would not even consider anything else.
The last time I checked, Gerbing made HD branded heated gear; W&S made Firstgear and Powerlet.
The new Gerbing liners are made in the USA. I am not sure about their controllers, they used to be made in China. The W&S liners are made overseas somewhere I think.
The W&S "HeatTroller" controller is smaller and superior in my experience. Made in USA. You will definitely want a controller.