The Ninja Armor decreases your health in exchange for greater speed and jumping, This makes it great for a hit and run playstyle.
The armor costs 3,333 Credits and each set piece takes away 5 health, gives 20% faster running speed and 10% greater jump height, the full set takes away 15 health, gives 60% faster running speed and gives 30% greater jump height giving your character a total of 85 health. It works great with the jetpack or jet boots