The Arming Doublet is a type of modular, personal hard combat armor used by the different units in the army of the Southern Cross to defend the civilian population of planet Glorie.
There are several many types of customized Arming Doublets and each one is used according to the army unit that employs it. They can function as spacesuits, pilot suits, diving suits or even desert and cold weather operation suits. The shape of these armors also changes depending on the gender of the users and their body type.