Vionic Cassie Thong Orthotic Sandals w/ Bow Detail, White, Size 9 Good used condition. Minimal wear to bottom soles and top straps. Microfiber-covered EVA footbed Lightweight, flexible EVA midsole absorbs shock, helping reduce stress on feet, ankles, knees Rubber outsole with wave-patterned tread offers good traction on various surfaces Podiatrist-designed, biomechanical orthotic footbed with Orthaheel technology and a deep heel cup helps stabilize, support, and realign feet back to their natural position while wearing Helps to relieve common causes of heel pain and knee pain, related to over-pronation and flat feet An ideal complementary option for orthotic or arch support wearers, particularly at home on hard flat floors Recommended by Dr Andrew Weil Bottom construction: Rest Approximately 1"H heel Fit: true to size Half sizes should size down All man-made materials Ref: 045999 Sandal/summer/spring/resort/beach/casual/day/walking/support/arch support/neutral/vacation