Excellent, almost new condition! Black Vionic Cassie Rock sandals. Podiatrist designed. Size 11. Smoke free home. EVERYDAY SUPPORT: A podiatrist-designed footbed delivering unique THREE-ZONE COMFORT is built into every pair of Vionic sandals, slippers, active shoes, and flats which promotes stability and natural alignment from the ground up. Helping to relieve plantar fasciitis, flat feet, high arches, bunions, heel spurs, and lower back pain issues.