Plus Fitting System - Two Removable Footbeds for Added and Double Depth; Drilex Lining; Tri-Support Insole; Built-In Heel Cushion Pad; Rocker Bottom and Wide Shank; Durable Rubber Outsole and EVA Midsole; Tempered Steel Shank; Full, Rounded Toe; Extended Medial Heel Stabilizer; Soft, Foam-padded Tongue and Collar; Accommodates Prescribed Orthotics