super fat vs. fish cat 4 dx

[flygoddess]

But maybe it is the firmness that gives the sense of riding higher.
A thick skinned bladder with more air surrounded by a good solid cover = firmness.
Urethane does support more PSI then Vinyl, right?

Next question, if you drop a bowling ball and a marble from a tall building at the same time, which will hit the ground first?[]
[signature]