Warm n' Safe is the total bomb.
My wife and pillion is (unlike me) a little thing. She's 4'12" and 105 lbs sopping wet. When the temps dip down to merely the 40's she could not bundle herself up enough to ride with me.
Last year, I sucked it up and bought her a First Gear (aka Warm n' Safe) heated jacket liner and a dual controller. Why the dual controller, you ask? 'Cause I'm smart enough to know it wouldn't end with a jacket liner. Installed and ride tested by the pillion on a typical fall day ride (I think it was the Burdicks ride), it got an enthusiastic two thumbs up. :thumbsupsmileyanim:
Much later last fall, November I think, I was riding with a local forum riding friend bbdig, and we happened to be passing by WhiteHorseGear in North Conway New Hampster. Well, nobody actually passes them by, they always go in to see what they have on hand. We did, and I walked out several hundred dollars poorer (on credit) as I purchased the same setup for myself, but I also went the extra distance of buying the heated drivers gloves at the same time.
Oh my gawd!!
This stuff is the complete **** if you want to ride late in the season. I had run in previous late fall cold weather (talking down to and below freezing) with just lots of bulk and my heated grips. The liner and heated gloves are like night and day. I actually enjoyed and sought out opportunities to go out and use my heated gear.
Subsequently I got Goody W some passenger heated gloves, which she has of yet not tested. I'm sure that they will be equally as effective.
On the FJR, I really don't see the point of heated pants or pant liners. Of course I do ride a first gen, which has the built-in leg and crotch heating system... But my feet are the one last thing that still gets cold in really deep cold temperatures after more than 3-4 hours on the seat. A pair of heated sock liners, or foot beds may be in the future. But even without them I was able to ride every month of last winter (albeit a mild one) and managed to happily get out on one of the bikes so long as snow or ice did not cover the roadway. You can't really ask any more from heated gear than that.
First Gear Warm'n Safe... Fred W approved!