here is what i use.
Top:
RemTech 2.0
Rocky fleece thermal
and long sleeve shirt

Bottom:
RemTech 2.0
Rocky thermal
heavy fabric pants

Head:
full compression head cover

feet:
Ducks unlimited cold wear system

hands:
these are always the hard ones.
hand warmers
hand warmers
hand warmers
gloves.

remember if your feet cant breath then they will get colder faster. alot of layers isn't always the best.