Nike Air Max 90 are equipped with a visible Max Air unit in the heel for optimal cushioning and shock protection. A full-length foam midsole provides durability, stability and added padding for optimal comfort. Furthermore, you can see extra foam around the ankle thus ensuring even more comfort.
Nike's revolutionary Air-Sole unit became a part of Nike footwear around the late 70's. In 1987 Nike Air Max with visible air in the heel had their debut. Now the user could not only feel the Air-Sole comfort, they could actually see it. And just a year later the next generation of Nike Air Max 90 became a hit with athletes, as well as, collectors, by offering striking colour combinations, minimal weight and strong cushioning