People concentrate on what they wear in cold weather down to maybe 25 but then the roads are iffy    Everybody knows about heated gear. I hope  And standard equipment should be at least a heated jacket liner something thin that you can still wear something over to snug it up   Now there’s 24 V lithium or whatever rechargeable battery vest, jacket liner, gloves, codpieces and what-have-you  But I don't trust them and they don't last as long as you need them.  Which is all frig