The Aetrex Orthotic System is Built-In to every pair:<br>Arch support helps to stabilize and align feet<br>Arch support helps to relieve common foot pain & plantar fasciitis<br>The memory foam foot-bed provides cushioning & comfort<br><br>Details:<br>Adjustability: Hook and loop closures<br>Adjustable center strap to accommodate different insteps<br>Upper Material: Genuine Leather<br>Midsole Material: Ultra-light cork midsole<br>Met Bar Pod to help relieve ball-of-foot discomfort<br>Padded heel for extra cushion<br>Removable Insole: None<br>Heel Height: 1.125 in