OLUKAI Men's Ohana Leather Leather Imported Rubber sole Upper: Full grain high character leather straps with jersey knit lining and neoprene backer. Footbed: Anatomical compression-molded EVA midsole with full grain high character leather drop-in footbed for a personalized fit. Arch support / orthotic foot bed is great for people with plantar fasciitis and those who want to avoid arch and heel pain. Styling: Soft nylon toe post webbing and laser-etched logo. Non-marking rubber or gum rubber outsole with coral reef lug design for added grip.