OluKai Women's Ho'opio Sandal is simple, slim and fun, the Ho‘opio is a new staple of the OluKai sandal family. Outsole is a non-marking rubber outsole with textured pods for enhanced traction and durability. Footbed is an anatomically molded micro-textured PU midsole. Water-ready build. Non-Marking Rubber, OluKai's thermoset rubber is a compound of natural and synthetic rubber that will not leave marks or ‘scuffs’ on surfaces of any type. OluKai's gum rubber outsoles, as a natural material, will always naturally be non-marking. Sizes and colors available as displayed.