Originally Posted by
TiHabanero
One comment reads about the B17 as having a negative effect on his anatomy. Did that to me too. I changed to a Pro and now never get numb nuts as with the B17 and B15, 15n. Never made sense. What could the difference be?
I had the opposite experience -- the Pro always seemed to be pressing in between my sitbones, but my B17, B17N, and B5N are all great. One of those mysteries, I suppose.