Cardboard Box Set
From Starbounder - Starbound Wiki
Disabled: Not currently available
Cardboard Box Set is currently disabled from the game. Assets for this exist within the game files, but will not be encountered through normal gameplay.
Cardboard Box Set is a Cosmetic Armor set. The helm can be found in chests throughout the universe, but the chest piece is currently disabled from gameplay.
Because of the Flavor Text and the design of the Hat, it may be a reference to the Idiot Box hat from Team Fortress 2.