Your environmental suit is the most advanced piece of exploration engineering known to man. Unfortunately its utility depends upon a modular upgrade system currently beyond our manufacturing capabilities. It is time to look into how you can create your own upgrades away from the factories back home. You can use a bit of help surviving in this harsh environment.
With some minor adjustments, it should be possible to produce suit upgrades from basic machinery design, miniaturised to be wearable. The most obvious upgrades are a better solar cell and cold insulation to operate at higher efficiency on this hostile planet. You're going to need to use a Hydrojet Cutter upgrade on your Manufacturing Plant for this!
To use a suit upgrade simply craft one and keep it in your inventory.