Gored lacing, Stretchy Slip On Design. Removable mesh-covered EVA footbed Durable rubber outsole with textured tread offers good traction on a variety of surfaces Podiatrist-designed orthotic footbed with Vionic technology and a deep heel cup helps stabilize and support your foot's natural alignment while wearing Three-zone comfort with ultimate arch support 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 Approximately 1.75" heel Textile/man-made upper; textile lining; man-made balance In Very Good Pre-Owned Condition, some minimal scuffs on toes. See Pics.