Windsor Waterproof Oxford from Dunham features Rollbar Support System in midsole. It is combined with a medial and lateral post for motion control during the gait cycle. Fiberglass shank provides necessary arch support through the gait cycle and is metal-detector friendly. IMEVA molded midsole offers outstanding support and stability. ABZORB pods in heel and forefoot.. Removable ABZORB footbed. Long-wearing Tru-Trak soft rubber outsole and padded collar and tongue.