Orochinagis
Member
I'm sorry, but I'm having a hard time understanding what you are saying, I think you are trying to say that the undersuit is not an undersuit and that the armor is part of it? If so that isn't true.
Well that layer (the colored one)is were the armor is attached in S-IV's armor like you said but it also protect the stomach and softareas like a second armor layer while S-IIIs and S-II armor was attached to the entire suit without that layer hence the space diaper.