Flashlight, water purifier, respirator, and rifle (I assume with required things like ammo).
Nobody said how this plague spreads, for all we know it’s in the water or Airborne. Flashlight for scavenging and because it’s far more important to know if that’s a pile of scrap or a Zombie than it is to stay super stealthy. And Rifle gets you everything else you need.
Yeah but we also get really hot so we’re sucking during August. Meanwhile someone is walking around in a 3 piece suit without so much as a drop of sweat.