i sell cars and spend more than 8 hours a day walking on asphalt, concrete, stairs, driveways, greasy service centers and so on. these shoes have been on my feet 12 hours a day at least 6 days a week since i bought them 7 months ago. Before that, I didn't have a single pair of shoes that would have served me longer than 4 months. I weigh 350 kg and they hold up great. 7 months on them and I'll probably easily get another 2 or 3. I'm hoping for a solid year and if they continue to wear like they