The Spacesuit pieces on their stand in the spaceship.
The Spacesuit is what allows the protagonist not to die in space, if they remember to put it on.
O2
The suit carries a small oxygen tank, allowing for about six minutes of breathing before death.
Oxygen will also be used as a weak propellant when the main fuel tank is empty. Using enough oxygen in this manner will grant the Cutting it Close achievement.
Appearance
The suit has a unique appearance. It has a poncho looking scarf around the neck as well as a padded glove pair, Also including a pair of brown boots and patched up clothing with a sort of kettle shaped helmet.
Jetpack
The suit carries a small jetpack, complete with miniature multi-directional thrusters and a small fuel tank.