SUPERB CUSHIONING AND BREATHABILITY The Nike Air Maximize (2c-10c) Infant/Toddler Boys' Shoe is designed with a sandwich mesh upper and Air Max unit in the heel for breathable comfort and excellent impact protection. Benefits Sandwich mesh upper for exceptional breathability Dynamic midfoot system for support Phylon forefoot midsole and Air Max heel unit for lightweight cushioning Rubber Waffle outsole for durability and traction Flex grooves in the forefoot for optimal flexibility 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 color combinations and reliable, lightweight cushioning.