I run regularly over different terrains, be it tarmac/concrete, or dirt or grass. From the start I have worn Adidas, and this is my 3rd Adidas. Each pair lasted for 3-4 years of continuous use over different surfaces, for different occasions even in rains. I have also used my Adidas for walking over rocky places and for climbing up or down hill. It never failed. Adidas is my go-to brand for running shoes. I have flat foot, yet Adidas gives ample support to my feet. I never had any complaints ...