These men's Aetrex Premium Memory Foam Posted orthotics are designed to provide maximum support for low and flat arches and help relieve plantar fasciitis and heel pain. The top cover is made of CopperGuard® antimicrobial lining and microfiber to help prevent odour and offers optimal comfort. lQl50™ Memory Foam cushioning in the center adapts to your foot shape to help minimize pressure and offers excellent cushioning support. Aerocell™ polyurethane performance base offers high energy return and helps provide shock absorption and shape retention.