In my case I found the Pro to be a touch too wide. The Glider was my favorite and then the Evolution. I have had the Glider the longest and it now needs to be recovered or tossed. Thinking of taking it to an upholstery shop because a shoe store only lasted a year.

I am only discussing the SMPs because that is what you referenced. I like it because I can put in on the bike or even a new bike and start out almost perfectly flat with a level and it works. Sometimes I have to tweak is a degree nose down but that is about it. I have about four saddles I like and the SMP is number one on a drop bar road bike. But my problem has never been sit bones but rather perineum relief. Plus the SMP Strike saddles force a pelvic tilt for those of us who get lazy working on our core.