Echo Sandal Echo Sandal Leather upper with rubber sole. Imported. Slip-on styling. Leather lining. Foldover styling at vamp. Square toe. TONR-WZ615. ECHO. Based out of Australia, the Tony Bianco brand embraces a mix of the contemporary, the classic, and the cool. Their signature can be seen in the use of high quality materials and a keen eye for detail that is used to create on-trend pieces that will survive the test of time.