diff --git a/src/main/java/de/ellpeck/actuallyadditions/common/materials/ArmorMaterials.java b/src/main/java/de/ellpeck/actuallyadditions/common/materials/ArmorMaterials.java
new file mode 100644
index 000000000..6a01d4c52
--- /dev/null
+++ b/src/main/java/de/ellpeck/actuallyadditions/common/materials/ArmorMaterials.java
@@ -0,0 +1,87 @@
+package de.ellpeck.actuallyadditions.common.materials;
+
+import de.ellpeck.actuallyadditions.common.items.ActuallyItems;
+import net.minecraft.inventory.EquipmentSlotType;
+import net.minecraft.item.IArmorMaterial;
+import net.minecraft.item.Items;
+import net.minecraft.item.crafting.Ingredient;
+import net.minecraft.util.LazyValue;
+import net.minecraft.util.SoundEvent;
+import net.minecraft.util.SoundEvents;
+import net.minecraftforge.api.distmarker.Dist;
+import net.minecraftforge.api.distmarker.OnlyIn;
+
+import java.util.function.Supplier;
+
+// Mostly a copy of the ItemTier enum because... Lazy
+public enum ArmorMaterials implements IArmorMaterial {
+    EMERALD("emerald_armor_material", 30,  new int[] { 5, 8, 9, 4 }, 15, SoundEvents.ITEM_ARMOR_EQUIP_GENERIC, 2, 0f, () -> Ingredient.fromItems(Items.EMERALD)),
+    OBSIDIAN("obsidian_armor_material", 28, new int[] { 1, 3, 4, 3 }, 10, SoundEvents.ITEM_ARMOR_EQUIP_GENERIC, 1, 0f, () -> Ingredient.fromItems(Items.OBSIDIAN)),
+
+    // Custom resources
+    QUARTZ("quartz_armor_material", 15, new int[] { 3, 5, 6, 3 }, 8, SoundEvents.ITEM_ARMOR_EQUIP_GENERIC, 1, 0f, () -> Ingredient.fromItems(ActuallyItems.BLACK_QUARTS.get())),
+    RESTONIA("restonia_armor_material", 18, new int[] { 3, 6, 7, 3 }, 9, SoundEvents.ITEM_ARMOR_EQUIP_GENERIC, 0, 0f, () -> Ingredient.fromItems(ActuallyItems.RESTONIA_CRYSTAL.get())),
+    PALIS("palis_armor_material", 10, new int[] { 3, 6, 7, 3 }, 10, SoundEvents.ITEM_ARMOR_EQUIP_GENERIC, 0, 0f, () -> Ingredient.fromItems(ActuallyItems.PALIS_CRYSTAL.get())),
+    DIAMATINE("diamatine_armor_material", 36, new int[] { 4, 7, 8, 4 }, 12, SoundEvents.ITEM_ARMOR_EQUIP_GENERIC, 3, 0f, () -> Ingredient.fromItems(ActuallyItems.DIAMATINE_CRYSTAL.get())),
+    VOID("void_armor_material", 23, new int[] { 1, 3, 4, 1 }, 13, SoundEvents.ITEM_ARMOR_EQUIP_GENERIC, 0, 0f, () -> Ingredient.fromItems(ActuallyItems.VOID_CRYSTAL.get())),
+    EMERADIC("emeradic_armor_material", 32, new int[] { 6, 9, 9, 4 }, 18, SoundEvents.ITEM_ARMOR_EQUIP_GENERIC, 3, 0f, () -> Ingredient.fromItems(ActuallyItems.EMERADIC_CRYSTAL.get())),
+    ENORI("enori_armor_material", 24, new int[] { 3, 6, 6, 3 }, 11, SoundEvents.ITEM_ARMOR_EQUIP_GENERIC, 0, 0f, () -> Ingredient.fromItems(ActuallyItems.ENORI_CRYSTAL.get()));
+
+    // HMMM Tasty stolen code from MC, how lovely.
+    private static final int[] MAX_DAMAGE_ARRAY = new int[]{13, 15, 16, 11};
+    private final String name;
+    private final int maxDamageFactor;
+    private final int[] damageReductionAmountArray;
+    private final int enchantability;
+    private final SoundEvent soundEvent;
+    private final float toughness;
+    private final float knockbackResistance;
+    private final LazyValue<Ingredient> repairMaterial;
+
+    ArmorMaterials(String name, int maxDamageFactor, int[] damageReductionAmountArray, int enchantability, SoundEvent soundEvent, float toughness, float knockbackResistance, Supplier<Ingredient> repairMaterial) {
+        this.name = name;
+        this.maxDamageFactor = maxDamageFactor;
+        this.damageReductionAmountArray = damageReductionAmountArray;
+        this.enchantability = enchantability;
+        this.soundEvent = soundEvent;
+        this.toughness = toughness;
+        this.knockbackResistance = knockbackResistance;
+        this.repairMaterial = new LazyValue<>(repairMaterial);
+    }
+
+    public int getDurability(EquipmentSlotType slotIn) {
+        return MAX_DAMAGE_ARRAY[slotIn.getIndex()] * this.maxDamageFactor;
+    }
+
+    public int getDamageReductionAmount(EquipmentSlotType slotIn) {
+        return this.damageReductionAmountArray[slotIn.getIndex()];
+    }
+
+    public int getEnchantability() {
+        return this.enchantability;
+    }
+
+    public SoundEvent getSoundEvent() {
+        return this.soundEvent;
+    }
+
+    public Ingredient getRepairMaterial() {
+        return this.repairMaterial.getValue();
+    }
+
+    @OnlyIn(Dist.CLIENT)
+    public String getName() {
+        return this.name;
+    }
+
+    public float getToughness() {
+        return this.toughness;
+    }
+
+    /**
+     * Gets the percentage of knockback resistance provided by armor of the material.
+     */
+    public float getKnockbackResistance() {
+        return this.knockbackResistance;
+    }
+}