Here is advertisement from 1978!A bold claim? Perhaps. But there isn't a running shoe made that is more scientifically tested for endurance and comfort than the Roadrunner. It's designed to help you go as fast and as far as you can...and then some! So the next time you look at a beautiful pair of PONY Roadrunners, remember you're also looking at the fastest shoes made. Check these superb features.● Nipple outsole designed for maximum shock absorption at each step.● Overall design insures perfect rotation of the foot —from initial contact of the outer edge of the foot through the push off on the ball.● Designed with wide contoured heel for increased protection when foot strikes the ground.● Super lightweight nylon upper affords unique support and protection.Shoes are in used condition. Laces are in excellent condition. Please see peeling in the last shoe photo circled in red. Please ask any questions you may have regarding these shoes. 24446 Sellers IDFast Shipping ⚡️