Acavallo Air Plus Gel Seat Saver Dressage Dri Lex 10mm Gel Thickness Colour:Black The memory foam adapts to The memory foam adapts to the shape of the horse and distributes surface pressure over a large area The thinner 14mm ported mouthpiece is very comfortable and gives generous tongue relief without causing upper palate interference it features two straps with grip on the side parts The Acavallo standard dressage seat saver with 10mm Air Plus gel in and Dri lex lining guarantees maximum comfort for the rider thanks to its revolutionary design which exploits the unique shock absorption properties of the Acavallo® therapeutic gel