(1) Waterproof army bivvy bag with essentials, (2) good hiking boots, (3) panga (AKA machete).
Get to travel up closest river to find overhang or cave, live off the land. Modern day man no longer thinks that the whole system we have set up could come crashing down...
I think you're the first to mention hiking boots. It's terrible to have damaged feet, especially if one is required to move about for any great distance. Good plan. And yes, most people are delusional about society and how safe it is, or is not.