Uh...what is this?

Found this on a NPC I killed after a shootout.

Why is it just a giant piece of bread but is acting like armor? I've never ran across this before.

P.S, sorry for the blurry photo..

Found this on a NPC I killed after a shootout.

Why is it just a giant piece of bread but is acting like armor? I've never ran across this before.

P.S, sorry for the blurry photo..