Foam armour coverd in truck bed liner
I was just thinking of a cheap protection in a zombie apocalypse and it just occurred to me that foam armour covered in truck bed liner would be a great way to mass produce cheap but effective armour.
The foam deals with concussive force and the truck bed liner is for piercings and slashing forces.
Pros
*Easy to produce
*Easy to repair or resize
*Lightweight
*Protects from zombies and most melee weapons.
Cons
*Could be hot if not designed well
*Doesn't protect from firearms.