Foam. Sorrento stitch style upholstery. Rider seat 11.5″ wide, passenger seat 8.5″ wide. A fusion of Silhouette styling and Maverick comfort. The entire seat is shaved down for a flowing profile. Note: Seats for 07-09 XL models will also fit 10-up XL models. For best results LePera advises to use the 10-up XL seat for 10-up XL model years.