They take lots of abuse
I'm getting ready to order another pair, but I have had my current MOAB's for 2+ years. I wore these shoes (dark chocolate) every day for over a year, work, school, sometimes to run in. These shoes took massive abuse at work (in a granite fabrication shop) until the sides busted out. I would stand in 1-3 inches of water all day and my feet would remain bone dry, I would also wear them in the snow, hiking, biking, you name it. I ended up "repairing" the busted out sides (I tore them on scraps of granite counter top in our scrap pile) with fishing line and these suckers are back to nearly water proof. They currently get used for biking, hiking and anything where my shoes are gonna get dirty or muddy. Trust me, you can't go wrong with these, and they even look nice enough to wear to a job with business a casual dress code (if you keep them nice looking).