NWOT White and silver flats Size 6 There is a small hole in the sole from removing the sticker on the inside of the foot bed. EVERYDAY SUPPORT: A podiatrist-designed footbed built into every pair of Vionic sandals, slippers, active shoes and flats promotes stability from the ground up. VIONIC SHOES: Vionic brings together style and science, combining innovative biomechanics with the most coveted trends.