I found the new 2012/2013 accessories catalogue on a forum and found this :

Catalogue can be downloaded here :
https://www.box.com/s/ip9xmz86d3a9v6joirwg
Called my dealer and three days later :


Here you can see the gel padding a bit :


I've made some more pictures using a flash to show the difference in texture between the fabric you sit on and the fabric used for the flanks of the saddle.
The fabric you sit on is a even/uniform satin black synthetic material :

picture with flash :

The material used for the sides of the saddle has a more "nylon" effect.
The color is a very dark grey. The sewing is light grey.
On the back, a small "VESPA" logo pressed in the fabric. (5cm / +-2 inch long)

Last edited by Progetto 300 on Fri, 23 Nov 2012 14:19:23 +0000; edited 5 times