I don’t know about the style seat, but if I were to be planning a long trip on the Svart, I would be looking at a wild ass air gel seat pad:
https://www.revzilla.com/motorcycle/wild-ass-air-gel-sport-seat-pad
Check out Ryan F9’s review on it here: https://www.youtube.com/watch?v=i92TqZUMUmc
Cheers,
Johan