Worn once Style: Keira Wide adjustable strap with hook-and-loop closure Dual-density footbed with 1st Ray technology Durable rubber outsole with wave-pattern textured tread offers good traction on a variety of surfaces Podiatrist-designed, biomechanical orthotic EVA 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 APMA Seal of Acceptance Bottom construction: Asha Approximately 1.32"H platform heel Fit: true to size; recommended 20 to 30 minutes of break-in time for the first few days of wear Half sizes should size down Man-made/textile lining; man-made upper/balance Imported