Minecraft wiki entry for Zombie_Villager, associated text: Armor worn by zombie villagers is not damaged from most damage sources, which means it cannot "wear out" the way player armor does. Helmets (not blocks like pumpkins) on zombie villagers can wear away and break if the zombie villager is exposed to daylight, or has an anvil or other falling block dropped on its head. Zombie villagers also have a natural armor rating of 2 (), which gives 1.6 - 8% damage reduction from most sources.