The Nike Air Max 90 Leather Toddler Shoe features a leather upper and a visible Max Air unit in the heel for durability and exceptional cushioning. Benefits Full-grain leather upper with synthetic overlays for durable support Visible Max Air unit in heel offers impact cushioning Full-length Phylon midsole provides durability and stability Rubber outsole with Waffle-inspired pattern for durable traction Flex grooves allow natural movement Nike Air Max Origins Nike Air Max Origins Nike'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 colour combinations and reliable, lightweight cushioning.