OluKai Women's Nohea Shoe - Nubuck - Dark Java/Tan - Size 9 Non-marking molded gum rubber outsole with a Kava root inspired tread design. EverFit contoured footbed lined with Dri-Lex synthetic suede and embossed leather heel patch. Removable and washable. OluKai footwear is designed as the perfect environment for your foot. With this in mind, we have crafted our footbeds to be easily removable and washable. Our thermoset rubber is a compound of natural and synthetic rubber that will not leave marks or scuffs on surfaces of any type. Our gum rubber outsoles, as a natural material, will always naturally be non-marking. Our Versatile Drop-In Heel offers both a shoe and slide functionality.