Wolves With Armor is a mod that helps the player protect their pets from damage and attacks from enemies. Tamed wolves can now be equipped with armor just like horses. However, wolf armor can be crafted at the crafting table.
Wolf armor types:
Netherite (only in version 1.16.1 and higher)
How to put on?
You have to take the armor, press Shift and the right mouse button at the wolf. After a moment, the armor will be equipped.