diff --git a/src/main/java/org/geysermc/rainbow/mapping/BedrockItemMapper.java b/src/main/java/org/geysermc/rainbow/mapping/BedrockItemMapper.java
index a8627cd..31ab1e1 100644
--- a/src/main/java/org/geysermc/rainbow/mapping/BedrockItemMapper.java
+++ b/src/main/java/org/geysermc/rainbow/mapping/BedrockItemMapper.java
@@ -24,6 +24,7 @@ import net.minecraft.client.resources.model.ResolvedModel;
 import net.minecraft.core.component.DataComponents;
 import net.minecraft.resources.ResourceKey;
 import net.minecraft.resources.ResourceLocation;
+import net.minecraft.tags.ItemTags;
 import net.minecraft.util.ProblemReporter;
 import net.minecraft.world.entity.ai.attributes.AttributeModifier;
 import net.minecraft.world.entity.ai.attributes.Attributes;
@@ -65,6 +66,9 @@ public class BedrockItemMapper {
     private static final List<ResourceLocation> HANDHELD_MODELS = Stream.of("item/handheld", "item/handheld_rod", "item/handheld_mace")
             .map(ResourceLocation::withDefaultNamespace)
             .toList();
+    private static final List<ResourceLocation> TRIMMABLE_ARMOR_TAGS = Stream.of("is_armor", "trimmable_armors")
+            .map(ResourceLocation::withDefaultNamespace)
+            .toList();
 
     public static void tryMapStack(ItemStack stack, ResourceLocation modelLocation, ProblemReporter reporter, PackContext context) {
         ItemModel model = Minecraft.getInstance().getModelManager().getItemModel(modelLocation);
@@ -217,8 +221,16 @@ public class BedrockItemMapper {
 
         public void create(ResourceLocation bedrockIdentifier, ResourceLocation texture, boolean displayHandheld,
                            Optional<ResolvedModel> customModel) {
+            List<ResourceLocation> tags;
+            if (stack.is(ItemTags.TRIMMABLE_ARMOR)) {
+                tags = TRIMMABLE_ARMOR_TAGS;
+            } else {
+                tags = List.of();
+            }
+
             GeyserBaseDefinition base = new GeyserBaseDefinition(bedrockIdentifier, Optional.of(stack.getHoverName().getString()), predicateStack,
-                    new GeyserBaseDefinition.BedrockOptions(Optional.empty(), true, displayHandheld, calculateProtectionValue(stack)), stack.getComponentsPatch());
+                    new GeyserBaseDefinition.BedrockOptions(Optional.empty(), true, displayHandheld, calculateProtectionValue(stack), tags),
+                    stack.getComponentsPatch());
             try {
                 packContext.mappings().map(stack.getItemHolder(), definitionCreator.apply(base));
             } catch (Exception exception) {
diff --git a/src/main/java/org/geysermc/rainbow/mapping/geyser/GeyserBaseDefinition.java b/src/main/java/org/geysermc/rainbow/mapping/geyser/GeyserBaseDefinition.java
index b74cbe8..f00522c 100644
--- a/src/main/java/org/geysermc/rainbow/mapping/geyser/GeyserBaseDefinition.java
+++ b/src/main/java/org/geysermc/rainbow/mapping/geyser/GeyserBaseDefinition.java
@@ -64,15 +64,16 @@ public record GeyserBaseDefinition(ResourceLocation bedrockIdentifier, Optional<
         return bedrockOptions.icon.orElse(Rainbow.fileSafeResourceLocation(bedrockIdentifier));
     }
 
-    public record BedrockOptions(Optional<String> icon, boolean allowOffhand, boolean displayHandheld, int protectionValue) {
+    public record BedrockOptions(Optional<String> icon, boolean allowOffhand, boolean displayHandheld, int protectionValue, List<ResourceLocation> tags) {
         public static final Codec<BedrockOptions> CODEC = RecordCodecBuilder.create(instance ->
                 instance.group(
                         Codec.STRING.optionalFieldOf("icon").forGetter(BedrockOptions::icon),
                         Codec.BOOL.optionalFieldOf("allow_offhand", true).forGetter(BedrockOptions::allowOffhand),
                         Codec.BOOL.optionalFieldOf("display_handheld", false).forGetter(BedrockOptions::displayHandheld),
-                        Codec.INT.optionalFieldOf("protection_value", 0).forGetter(BedrockOptions::protectionValue)
+                        Codec.INT.optionalFieldOf("protection_value", 0).forGetter(BedrockOptions::protectionValue),
+                        ResourceLocation.CODEC.listOf().optionalFieldOf("tags", List.of()).forGetter(BedrockOptions::tags)
                 ).apply(instance, BedrockOptions::new)
         );
-        public static final BedrockOptions DEFAULT = new BedrockOptions(Optional.empty(), true, false, 0);
+        public static final BedrockOptions DEFAULT = new BedrockOptions(Optional.empty(), true, false, 0, List.of());
     }
 }