Adjacent components showing bonus colors
The exosuit protects the player from weather and other planet hazards. The exosuit includes a backpack that allows for storage of items and technology upgrades.
Upgrades will provide additional bonuses if similar technologies are grouped on the inventory page.
The exosuit has 3 separate inventories following the v1.3 update. General, Technology, and Cargo.
- General - maximum of 48 slots; each can hold 1 to 250 items
- Technology - maximum of 12 slots; reserved for Exosuit Technologies only
- Cargo - maximum of 15 (?); like Starship Inventory, stackable to 5 or 500 items
Partially and completely full exosuit inventory icons.
The initial exosuit has 12 inventory slots and comes with the basic pre-installed following components:
The base inventory size of the exosuit backpack can be upgraded from 12 slots to a maximum total of 48 slots. Each upgrade station can be used once to increase the inventory size by one slot. The first upgrade is free, Subsequent upgrades increase cost by 10000 units per upgrade. For example:
- 12 to 13 - free
- 22 to 23 - 100,000 units
- 32 to 33 - 200,000 units
- 42 to 43 - 300,000 units
- 47 to 48 - 350,000 units
If all upgrades are done using an upgrade station, the total cost to upgrade the exosuit to its maximum capacity will be 6.3 million units.
To upgrade the inventory the player may:
The amount of time a player can spend underwater (and the maximum depth/pressure) are items that can be upgraded. Sean Murray has indicated that his character died in one game while trying to dive deeper than his suit would allow. "I found an ocean which was really deep, and my suit couldn't handle reaching the bottom. I could scan and see something was down there, but it was quite dark. I dived down and ended up drowning." 
Upgrades that allow this increase are Aeration Membrane Sigma, Aeration Membrane Tau, and Aeration Membrane Theta.
Like the player's starship, multi-tool, and exocraft the exosuit can be upgraded with technology.
* A bug in the "Install technology" panel list the "Coolant Network Theta" and " Toxin Suppressor Theta" as their "Tau" counterpart. But they are different.