Model [ NK11380290]Nike Air Max 90 Essential Shoes Wolf GreyClassic Comfort In An Iconic ProfileFeaturing the superb cushioning that made it famous, the Nike Air Max 90 Essential Men's Shoe delivers incredible comfort and timeless style with a premium look and feel. BenefitsPremium leather upper for comfort and durability. Durable foam midsole with Max Air unit in the heel for maximum impact protection. Rubber outsole with Waffle pattern for traction and durability. Engineered mesh enhances durability. Padded collar for comfort. Flex grooves for natural movement 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.