Have been tested against 38 other impact reducing products & is found to absorb 2½ times more energy & provide unsurpassed shock absorbing ability while equalizing pressure points. ** Ensures optimum comfort for horse & rider. ** ¼" thick & weigh only 8 ounces, yet provide greater support & absorb more shock than any other product tested. ** Sized to fit inside the E-Z View insert pad. square edged.