Some, like the Coast armor trim, are easy to find in common shipwrecks, while others, like the Silence armor trim, are extremely rare, with only a 1.2% chance of generating in an ancient city.

The Minecraft 1.21 update is receiving two new armor trim patterns according to the recently released Java Snapshot 24w11a: flow and bolt. These two new trims can be tested out ahead of the 1.

Minecraft armor trims were added with the 1.20 Trails and Tales update to give players a neat way to dress up our favorite armor sets.