Clarifications and features: * Dr. Comfort Gel Gel Liners help extra comfort * EVA rubber outsole helps prevent slipping when walking. * The soft suede upper and wool lining provide comfort and support for the feet. * The protective toe box provides additional leg protection. * The use of high quality building materials helps prevent corrosion. * The open back provides an easy on / off application, absorbs swollen feet and is designed to help prevent skin irritation.