ASICS® Matflex 4 - Boys' Grade School The ASICS® Matflex® 4 is the ideal, all-around wrestling shoe. Features the excellent comfort and support that wrestlers have come to expect. The full-length gum rubber outsole provides outstanding traction on the mat, while enhanced breathability is added where you need it most thanks to the mesh upper. An integrated lace garage complies with the rule about keeping laces down to avoid unfastening. International shipping is not available.