It’s critical to detect this so you don't end up running basically on a flat strip of rubber, and damaging your feet from negative pronation or feeling a pebble strike you on the arch. You’ll encounter different levels of wear and tear depending on what terrain you’re running on. For instance, if you’re sticking to streets and the cityscape, you’re going to burn through your shoes twice as quickly as if you were running on a dirt road. The impact of our feet on concrete doesn’t even leave a mild vibration, but the dirt of the earth will slightly impact our steps, which puts less pressure on your midsoles.\r