These are all the armor materials for which you can override the total defense value by adding them to the "Total armor overrides" setting inside the mod configuration.

minecraft:leather
minecraft:copper
minecraft:chainmail
minecraft:iron
minecraft:gold
minecraft:diamond
minecraft:turtle_scute
minecraft:netherite
minecraft:armadillo_scute
usefulhats:aquanaut_helmet
usefulhats:bunny_ears
usefulhats:chopping_hat
usefulhats:ender_helmet
usefulhats:halo
usefulhats:lucky_hat
usefulhats:mining_hat
usefulhats:mushroom_hat
usefulhats:postman_hat
usefulhats:shulker_helmet
usefulhats:stocking_cap
usefulhats:straw_hat
usefulhats:wing_helmet
