Some big guys generate so much heat that you can see the vapors rising from them. The same guys don't want to ride when the temps are over 90 degrees.
I hate sharing hotel rooms with these guys, they're the ones who want the A/C in the hotel room so cold that you can see your breath...but I digress.
For me, heated gloves work much better when it's really cold. The downside to heated gloves is dealing with extra cords. BTW, they (Gerbings, at least) don't give my hands a warm toasty feeling, but my hands don't get cold either.
Gerbings are also heavy enough that if they quit working, you still have some insulation going for you. This happened when I blew a fuse once.
'12 Moto Guzzi Stelvio NTX
'06 Honda Helix