Foundry Set
From Starbounder - Starbound Wiki
Foundry Set is a set of Cosmetic Armor found in Foundry mini-biomes inside Volcanic biomes.
The set pairs with two backpieces; either Foundry Gear Pack or Foundry Foreman Pack. It can also pair with Foundry Hard Hat or Foundry Goggles as a headpiece and Foundry Chestpiece or Foundry Guard Gloves for a chestpiece.