A: A good bug out pack has everything you need for survival on foot or in a vehicle. You should not plan on being able to stay in your home or vehicle in a disaster, as you could be on foot instead. A bug out bag loaded with everything you can fit is useless on foot. Anything over 40 pounds will severely limit your mobility. Only hiker-quality ultralight gear will enable you to carry what you need and still cover some ground. Here’s a bug out bag checklist you can use to start building your own ultralight packs.