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:chainmail
minecraft:iron
minecraft:gold
minecraft:diamond
minecraft:turtle
minecraft:netherite
minecraft:armadillo
brewery:brewfest_hat
brewery:brewfest_hat_red
brewery:lederhosen
brewery:dirndl
earlystage:steel
farm_and_charm:dungarees
minecraft:leather
wildernature:stylin_purple_hat
