Thanks for the helpful replies. I will try the Imperial and the c17 and see if they sit well with me (sorry)
I hate to add more options to your search for the right saddle but I find the B17 Narrow much more comfortable than the B17. Just a thought if you have narrow sit bones and prefer narrower non Brooks saddles.
My Imperial narrow has more flex but I really don’t notice much comfort difference than my regular narrow saddle. However I can’t ride my standard width B17 as long as either narrow version and it is well broken in.