Orthaheel Sasha II Gray - Women's US Size 9 - In Stock Synthetic Rubber sole Heel measures approximately 0.5 inches" Color-contrasting elastic straps across the vamp for added comfort. Flexible and lightweight rubber outsole with wave-patterned tread helps improve traction. Invented by leading Australian podiatrist- Phillip Vasyli- this shoe features biomechanical orthotic technology that supports your feet and helps realign the lower legs- reducing over-pronation and associated aches and pains. Materials: All man made uppers/liners. Fits medium widths.