Prolite Thin Adjustable Tri Pad Black. Adjust your horses saddle accordingly and ride in comfort with the Prolite Thin Adjustable Tri Pad. Offering a new slimmer version, the Tri Pad reduces the amount of bulk under the saddle and is a firm customer favourite for helping your saddle sit correctly. The Tri Pad allows you to adjust the balance of your horses back whether you're helping to fit a saddle to horses that may have asymmetric conformation, needs a remedial fit or for those with poor back and wither conformation. Read more… The Tri Pad also features a perforated outer to allow air to circulate to allow for maximum comfort.