Vans Nexpa Synthetic Sandal The Nexpa Synthetic is a classic. When you need reliable flip flops that you can reach for day in and day out, to the beach and back again' this pair has you covered. A timeless Vans aesthetic paired with soft synthetic nubuck straps, the Nexpa Synthetic sandal delivers the style you want and the comfort you crave. Synthetic nubuck straps with heritage details Soft rubber-backed stretch textile linings Super-soft, molded UltraCush Lite EVA footbeds with anatomical arch support Durable rubber outsoles Made with water-based inks and glue