Uppers made of smooth leather.Textile lining for optimal breathability.Removable leather covered insole, soft and moisture absorbent with ECCO's Comfort Fibre System.Sole unit is PU light, soft and flexible with shock absorption .Hydromax treated leather for long lasting water resistants.Formal ECCO lace up shoe with a round, deep toe .This shoe replaces mens business comfort The Ecco Charleston Smart Shoes in the Boston group are fairly wide fitting