In my experience,

Brooks B17 specials seem to be made from more supple leather. I have a "Standard" and a couple of "Specials". The specials are noticably "more" comfortable straight out of the box and just in general. I love my Brooks, they are on all my bikes!

I have broad hips, but I am comfortable and my sit bones do fit on a B17. Trust me, I've got the curves.

Try one out. Get a B17 special. Go thru Wallbike so you can return it if you don't fancy it.

If you don't fit. Try out a B67 or B68.

Best of Luck to you!