Horse Armor

Horse armor is a special type of armor that can be given to a horse to wear. Horse armor has infinite durability and can be found in dungeons as well as Nether fortress chests, Village Blacksmith chests, Jungle Temple and Desert Temple chests, and in abandoned mineshaft minecart chests. Horse armor protects the horse from attacks.

When on a horse, the player can press the inventory button (default E) to access the horse's inventory. This allows the armor to be applied, removed, or replaced at the player's leisure. When the player is off the horse, the player may right click the horse with armor to equip the armor.

Horse armor cannot be enchanted, unless using an anvil in creative mode. Enchanted horse armor will not have any effects on the horse.

Protection
There is a gradual increase in the defense given from a horse wearing the different types of armor:

Note that there is no leather and chain tier of armor, despite having leather and chain armor for Steve.

Trivia

 * Unlike armor for players:
 * Horse armor does in fact become invisible when an invisibility potion is used.
 * Gold horse armor is more powerful than iron horse armor.
 * Horse armor does not exist in leather or chain varieties.
 * Horse armor only has one piece, where as player Armor has four.

Gallery
Pferderüstung Armure pour cheval 馬鎧 Horse Armor Конская броня 马铠