if anything, an unassuming three day dark blue or grey pack should be chosen with no external pockets and NOT the size of an expedition hiking pack. it’s no guarantee you won’t be attacked, but combined with ‘grey man’ style clothing, along with no exposed firearms or other weapons, it reduces the chance dramatically. you’ll be just another face in the crowd and almost ignored since they’ll notice the tactical and military-esque people before you. blend in and vanish is the best way to go.
The bare minimum, as far as gear goes, includes just enough to survive. What the means is up to you. If you read the popular book Hatchet, where a young boy experienced a plane crash and only had a hatchet to survive, you know a lot can get done. However, you can pack a lot into a small backpack to use for bushcraft and wilderness survival. Common tools include: Solo Survival: How to Survive Alone in the Wilderness for 1 week --Eastern Woodlands