But I am not really sure how beneficial VS weight/size they would be if you are bugging out.
If you have any doubts, ask a smoker at the end of a 13 hour plane ride. He'll trade you his first born for a Camel non-filter.
And, if you are a smoker, it becomes even more important to keep you calm and clear headed.
Disclaimer, I am in no way saying anyone should smoke. I am just saying that if you do smoke, I don't think quitting the habit is the top priority when bugging out.