Rip Curl Ox Sandals. The Ox is a casual synthetic leather and canvas strap with multiple stitches and details. A press molded footbed with arch support and heel cup for the ultimate comfort and support. The footbed is lined with synthetic leather and embellished with heavy gauge stitching and laser art. Synthetic leather strap with canvas textile underlay. Padded soft jersey liner. Contoured molded footbed. Grippy custom compound EVA outsole. Imported.