Several people have commented on different seats and how uncomfortable they are on long runs.

You may be interested in this site, it is not the normal jel seat
I know several people that have this seat covered pad.
no complaints, the wife sits on one or both riders. The America would take the large .
you be the judge,contact them ,they will answer your questions.
Butt Savers

wayjc1@aol.com
or
1-877-4cushion