Vionic Restore Recovery Platform Thong Sandals From Vionic, the Restore Recovery Platform Thong Sandals feature: Synthetic upper Slip-on styling with adjustable strap to ensure comfort and optimal fit Received (APMA) American Podiatric Medical Association Seal of Acceptance Dual-density midsole cushioning for active-recovery support Biomechanical EVA texturized footbed for massaging relief Durable rubber outsole offers outstanding traction Approx. 1.375" platform Approx. 2.125" heel height