Saddle choice sometime is not straightforward.

It is not rare for cyclists to suffer from discomfort, soreness, pain, pins and needles in the buttock area. One reason for this is that saddle bears the 40%-50% of the rider's weight. Also, humans are unique and all different. All up to say that finding the optimal saddle often is not as performing a calculation, it is more similar to solve a complex equation with many variables. You can enjoy more on this field reading this fascinating article by Jon Iriberri.
​https://cyclingindustry.news/bike-saddles-does-the-industry-want-an-easy-answer-to-a-complex-problem/?platform=hootsuite