Dublin Altitude zippered boots size 5 Quality grained PU which looks just like leather. YKK Dublin branded zip for easy on/off and RCS PU footbed for enhanced comfort. High arch and in-built shank designed outsole for improved lateral stability. Durable rubber outsole with flex point grooves. Quality grained PU which looks just like leather YKK Dublin branded zip for easy on/off RCS PU footbed for enhanced comfort High arch and in-built shank designed outsole for improved lateral stability Durable rubber outsole with flex point grooves