Matrix T3 Flexform Competition Sheepskin Jumper Pad mesh sheet It is built for comfort It is built for comfort with Double Comfort System that utilizes a mesh spacer foot bed cover that provides extra comfort and a healthy environment for the foot and the Ortholite removable orthotic inserts with J Flex Flexible Comfort System provides cushion on initial impact and provide energy return as you walk Rolled edge helps prevent rubbing on pasterns and encourages air flow Inserts removable through the velcro closure along the spine of the pad for easy washing a technologically advanced textile that keeps the saddle in place without using friction