EUC Size 9 Vionic (amazing arch support!) “Splendid Demetra Boa” slip-on sneakers. Black croc-embossed leather. Worn only a handful of times. I have a narrow heel so I have placed a non-slip heel pad in them which can be removed if you like. Featuring twin gore panels for easy on, easy off and a rubber sole for around-the-clock comfort. Upper: Embossed Leather. Footbed: Removable Canvas-Covered EVA Orthotic Insert. Outsole: Durable Rubber Biomechanically designed to hug your arches, Vionic Technology helps support natural alignment from the ground up.