The lifespan of KEEN boots depends on several factors, including the frequency of use, the type of work or activities they are subjected to, and how well they are maintained. On average, a well-cared-for pair of KEEN boots can last for a considerable period, ranging from one to several years. Regular cleaning, proper storage, and following any care instructions provided by KEEN can contribute to extending the longevity of the boots. It's essential to be mindful of the specific conditions and demands of your work environment to gauge the expected lifespan of your KEEN boots.