I've owned Asolos for the last 15 years and have never been let down. From hiking to working for the USFS, I've put all four pairs through the ringer and am not let down. This pair, just like my others, the TPS 520 and and the predecessors of that boot are comfortable and enduring. I have had the Gore-Tex waterproofing component of one pair kind of falter after four years, but generally an annual mink-oiling helps fend that off. Like my rating states, I love Asolo.