My kit is made of:
carnation breakfeast package
bivi bag by adventure medical kit ( but maybe will change to Blizzard one)
and a garbage bag
vargo wood stove with some wet fire
bothy bag
down booties
extra sox, buff, gloves
Experimenting right now with MRE heating pad.

http://download.journals.elsevierhealth.com/pdfs/journals/1080-6032/PIIS1080603201706771.pdf

http://download.journals.elsevierhealth.com/pdfs/journals/1080-6032/PIIS108060320970081X.pdf