Originally Posted by
ItsJustMe
You need to break the wind. Once you get that taken care of, very little insulation is needed.
I ride with rain pants all winter, in temps down to -25*F. Problem solved.
Same solution for feet, you must have a wind break layer.
Despite my joking around, this is a very good suggestion, I'll see what I can come up with to work as a windproof layer.