OluKai Mens Hokua Leather EVA,Leather,Nylon,Rubber -Packed with comfort, the Hokua Leather puts our original lightweight cage sandal on solid ground. -Non-marking molded rubber outsole. Features molded traction sipes and coral reef inspired lug pattern for added traction. -Anatomical compression-molded EVA midsole with a brushed ICEVA drop-in footbed. -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 premium full-grain leather evokes the rustic spirit of Hawaii's upcountry ranches with a rugged strength and a lifetime of durability.