Spacesuits are pieces of equipment introduced in the Explosive Update (version 1.102). They can be found in the lockers in ordinary wrecks and also in
crates in procedural generated ones.
Types[]
According to the changelog, over 20 different types can be obtained in the game.
In Spacesuits Lockers[]
These suits are found in ordinary wrecks and bear the Sentinel Corp logo:

Spacesuit Beteo

Spacesuit Blasto

Spacesuit Cipto

Spacesuit Comto

Spacesuit Fablo

Spacesuit Primo

Spacesuit Scifo

Spacesuit Tubio
In Procedural Wrecks[]
These suits are found in procedural wrecks in various storage containers. Also could be found in Xiaodan's secret cave.

Spacesuit Tureo
By Trade Rocket[]
These suits can be bought for Terra Tokens using a
Space Trading Rocket. Those bear the Sentinel Corp logo:
At Hidden Locations[]
These suits are findable only at certain hidden locations:

Spacesuit Abyso

Spacesuit Ettio


Spacesuit Mekio

Spacesuit Plesao

On The Moons[]
These suits can each be found on a specific moon of Planet Prime. They can be be transferred from their respective moon to another world via either the Interplanetary Travel Rocket or the
Interplanetary Exchange Shuttle.

Spacesuit Colonnya found on the moon Selenea

Spacesuit Sunsio found on the moon Aqualis
Starform Robotics's Wreck[]

Spacesuit Starforma

Spacesuit Glitx

Spacesuit Goldeo
The Starforma and Glitx suits were both previously purchaseable on Prime from the Space Trading Rocket for 8000 and 10000 Terra Tokens respectively. As of v1.518 though all three of these suits can only be transferred from Planet Humble to another world via either the
Interplanetary Travel Rocket or the
Interplanetary Exchange Shuttle.
Usage[]
They can be moved into one of the player's empty exoskeleton slots, to change their appearance. This is just optical and serves no further purpose.
Another use is to put them on a Spacesuit Displayer for just display or further use.