Vionic Shoes Lou Cupsole Slide Sandal Boasting the enduring comfort of a cupsole, a premolded outsole shaped like a cup around the sole of your foot, this chic sandal features a clean and chic aesthetic, dual crossover straps across the vamp in leather and nubuck uppers, microfiber and man-made covered EVA footbed, and a 1" thick and sporty sole. Great condition, very clean.