Not to be confused with the armor set sold by the Astronaut NPC, Space Armor.
Space Armor

The Space Suit is a slightly different version of the Space Armor set consisting of the Astronaut Helmet, Astronaut Torso, Astronaut Pants (armor), and Life Pack (equipable). Each piece is granted individually as rewards for the Space Trainer's quests, in the order given above. The full Space Suit is required to access the Cursed Elevator.