what saddles have you tried? Its your butt on the thing..

on my daily ride,I have an 80s race saddle, SI Turbo, SM Rolls in similar type, on my road bike
have a couple Brooks Pros on other bikes, did use them on prior tours of month + duration.

Fizik Vitesse, another good saddle.. I got one that was a Brompton ordered batch,
Length, high clearance rail's bend allow for more set back.

living where it's wet, the fully leather Brooks saddle, stays on the shelf , for now

SI having bought Brooks raised the prices (return on investment loans) and made it fashionable ,
Now, selling in so many more colors , than Before.

17 is wider and flatter across the back., Pro is arched. 67 is wide, Colt is a different shape.
dozens of models , just in Brooks range.

the Selle Anatomica is made to act like 2 strip saddles, each, to move with your thighs,
aims at the Pro's niche. also made without the hole punched out of the middle .

so go forth and sit on a bunch of Saddles , its not my backside to satisfy, but yours.