ACG Air Explorun [2000]At the time the Air Explorun was a state of the art trail shoe built with a running inspiration but with rugged construction for the athlete looking for a shoe that can cover all terrain, on and off the trail. The upper consists of a high abrasion resistant PU coated leather combined with a non absorbent synthetic material that combined aid in weight saving and protection. Also, a reinforced toe bumper is paired with a lightweight, neoprene dynamic