Dublin Childs Altitude Zip Paddock Boots The Altitude Paddock boots are a quality grained PU that looks just like real leather. They have a high arch and in-built shank designed outsole for improved lateral stability. Features: Quality grained PU which looks just like leather YKK Dublin branded zip for easy on/off Foam technology comfort breathable footbed High arch and in-built shank designed outsole for improved lateral stability Rear nylon pull tabs Durable rubber outsole with flex point grooves