I wear these 4-5 days a week.  Hiking in Yosemite, riding my motorcycle, walking around Disneyland, these boots just work.  My last pair lasted me years.  ECCO in general are more expensive than other brands but seem to last forever.

The only issue is when they go, they go BIG.  You will not wear the sole out.  It will begin to deteriorate and crumble.  Treat them like Steel Belted Radials and use till you see warning signs then replace immediately.