SKU 9822003 A versatile pair of sandals, the Nunn Bush® Rio Vista River Slide Sandals make for a perfect wardrobe staple. Man-made upper. Lycra textile lining. Contoured EVA footbed for all-day comfort. Hook-and-loop closure on the ankle straps. Signature brand detailing on the outsole. Round toe design. EVA outsole. Imported. View Zappos.com Glossary of Terms Nunn Bush Rio Vista River Slide Sandal