Saucony Shadow 6000 ‘Unplugged’ grey green. The classic Shadow, was a favorite among runners. The silhouette gives a throwback look to the time when it was introduced, the 1990s. The Shadow 6000 offers heel support and shock abortion. The 'unplugged' collection symbolizes tranquility. Saucony's goal is to create calmness after a long workweek in the form of a sneaker.