Stay grounded in your water adventures. The simple, slim design of the Ho'opio makes it perfect for everyday casual wear. Make every step comfortable with a PU midsole and water resistant synthetic straps with a jersey knit lining.. . Water resistant synthetic straps with a quick drying jersey knit lining. Anatomically molded textured PU midsole that is water ready and comfortable enough for all day wear. Nonmarking gum rubber outsole with textured pods for enhanced traction on slippery surfaces. Ho'opio ho oh pee oh translation: To act young, refresh, rejuvenate.