The wooden chest plate is one of the many armor-related items you can craft in SC. It is pretty cheap to make, but is it worth it??
Here is the crafting recipe:
Only takes 4 sticks and 4 pieces of string. Not bad. The sticks are obviously easy to make, they can be made in your 2x2 crafting table. The string only takes 3 pieces of ivy each, which is abundant in jungles.
It is VERY weak. One hit from a rhino, and it's done. This is the major con. It can, however, help keep you afloat without having to constantly swim. For that reason, I'd say it's worth it if you don't have a lot of resources to craft better armor with.
Here is how it looks on the player. It can go on top of other clothing:
You can read more here: