All you talking about the toe creasing, they are made exactly like the original , the material is thin like the 1991 pair , which was thin for the running purpose and was subject to creasing. If you look at pics of the originals you will see the toe creasing and not perfect, like the Nike...
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Not sure if this will work , but maybe you can see it
i think they are talking about the window in front of the air bubble, original detail on the 180, it is part of the actual sole , i believe it is a pronation detail as well as it acts like a cup holding the air bag in side. i will try ti find the picture. I will have mine today and review...