Paul ,Have the same problem ,I am going to get the Triumph gel touring back seat and let her try that ,if it is not all ok will send it to these people ,
www.ppseat.co.uk Met the guy at the Excell show and he said for about £100+.he can reform and fill with densor gell and more foam,his work looks good ,so for about £240,you should be able to get exactly what you want,and he came across as a nice bloke,said you can also go see him up in Birming ham.Turn around time 12-14 days,thats the route Im taking and the short sissy bar. :wink: