AETREX Memory Foam Orthotics are designed to provide extraordinary comfort and support for those who are on their feet frequently and are experiencing pain or discomfort. This orthotic features the signature AETREX Arch Support to help biomechanically align your body & help prevent common foot pain such as plantar fasciitis, arch pain and metatarsalgia. Details Top cover material: CopperGuard® antimicrobial lining Center cushioning material: lQl50™ memory foam for superior cushioning Performance base: poron® for shock absorption Insole thickness: .25" Recommended for: walkers, nurses, doctors, teachers, chefs, and those who are on their feet often Best for: everyday shoes and sneakers Aetrex Aetrex Insoles