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I had a loaner that had them and they look very nice. Two disadvantages that would stop me from ordering them (if they were available) no additional leg room and they don't fold down.
They might have felt the need to clarify that the 2nd row seats were standard rather than NextGen, probably because the front row seats were NextGen seats?
When first offered, the NextGen option was for both front and 2nd row, but they stopped at one point and all the later models only have NextGen infront.