Saddle Pad Matrix Ergon SchoolinerThe Matrix Ergonomic Schooling Liner complements the technical features of the Matrix Ergonomic Half Pads while acting as a dirt barrier to keep the half pad clean. Under the saddle is a single layer of ETC, a non slip, anti friction fabric that keeps the saddle and liner securely in place without interfering with the horse's range of motion or muscle development. The thin membrane of fabric will flex with the half pad, rather than wrinkling like a