Vionic Amber Cork Adjustable Backstrap Sandals Women's Size 6 Vionic Amber cork adjustable backstrap sandals in women's size 6. These orthotic-friendly sandals feature a unique cork-patterned upper with decorative square accents and four adjustable hook-and-loop straps (three across the foot and one at the heel) for a fully customizable fit. Designed with podiatrist-developed Orthaheel technology to provide biomechanical support and stability. The durable rubber outsole features a stylish floral tread pattern. Good pre-owned condition. Insoles show light natural wear; outsoles have plenty of tread remaining. Note: small handwritten mark on the bottom of one sole.