Zappos.com is proud to offer the On Demand Captain (Tan Smooth Leather) - Men's: Perfect for any situation this shoe lets you make the impression you want in the comfort of relaxed, precision fit. Leather upper for durable, comfortable wear. Lightly padded tongue and collar for added comfort, support, and a custom fit. S.U.P.R.O. (Super Underfoot Pedorthic Radical Orthotic) technology comfort system is based on providing the maximum comfort in the first part of the shoe that the wearer's foot touches; the removable sock. Ultron(tm) memory cushion inserts are embedded into the orthotic sock. This combination of high-density technical materials offers the most unique form of footwear comfort. You'll find that new bounce in your step and, because of the extra cushioning, that you can walk longer and with less fatigue. Fabric lined for superior comfort. Polyurethane sole provides great traction. A must have for any wardrobe.