Blundstone USA -Legendary 500's - designed in Australia - combine modern technology with classic style. The time-honored WeatherSealed™ process lets leather uppers shed water and maintain breathability. Lightweight, dual-density, polyurethane ("PU") soles - featuring the Shock Protection System (SPS) - provide superior traction and unsurpassed comfort. The simple “pull-on” style means a snug fit with no ties.