OLUKAI Akua Leather Upper: made of Full grain Italian leather straps with synthetic pigskin lining and neoprene backer. Footbed: Compression-molded EVA midsole wrapped in premium full grain Italian leather. Anatomically correct contour for a personalized fit and sustained comfort over time. Arch support / orthotic foot bed is great for people with plantar fasciitis and those who want to avoid arch and heel pain. Styling: Comfortable hand-sewn toe post, Moko-inspired Tiki Head laser etching, double row shark tooth stitching, laser-etched hook chain, and embroidered logo detail.