Model [ NK11193009]Nike Air Max Zero Shoes Cool Grey/Wolf Grey/Dark GreyThe One Before The 1The Nike Air Max Zero Unisex Shoe is the first release of the Air Max 1's never-before-seen, pre-concept design by then-developer Mark Parker and designer Tinker Hatfield. The bootie-inspired construction and sock-like upper are nods to Tinker's original vision, while a visible Max Air unit in the heel delivers lightweight cushioning that made the Air Max an icon. BenefitsBreathable textile upper with a tongue-less design for a sock-like fit. Phylon midsole with Max Air heel unit for lightweight cushioning. Rubber outsole for traction and durability Nike Air Max OriginsNike's revolutionary Air-Sole unit made its way into Nike footwear in the late '70s. In 1987, the Nike Air Max 1 debuted with visible air in its heel, allowing fans more than just the feel of Air-Sole comfort- suddenly they could see it. Since then, next-generation Nike Air Max shoes have become a hit with athletes and collectors by offering striking color combinations and reliable, lightweight cushioning.