If I remember right someone on the forums posted some photos showing that they added some foam as well so it is altered just not by very much had to dig it up here we go was on one of my other posts.
Courtesy of @WaveTheory who posted this to me. as well as this
who posted some pictures of his own dekoni blues
You would be better off posting this on the thread made for this sort of thing over here Buy/Sell and Looking for Thread