SuedeImportedRubber soleWidths:? Narrow=A, Medium=B, Wide=D, X-Wide=2E, XX-Wide=4ERemovable, Soft, PU Footbed with Met Pad, Superior Arch Support and Built-in Heel Cushion.EVA Midsole. Flexible, Lightweight Rubber Outsole.Firm Heel Counter. Drilex Lining with AEGIS Microbe Shield.Plus Fitting System – Two Removable Footbeds for Added and Double Depth. Tempered Steel Shank. Accommodates Prescribed Orthotics.