OLUKAI Men's Hokua Pahu 100% Leather Imported Rubber sole Upper: Water-resistant and quick-drying synthetic with adjustable straps for a custom fit. Soft textile lining. Footbed: Anatomical EVA midsole with a brushed ICEVA drop-in footbed. Outsole: Non-marking rubber outsole, lugged and siped for enhanced multi-surface traction. Features: Adjustable straps with micro hook-and-loop closure, welded strap grips, adjustable heel fit, laser-etched footbed detailing.