BIGGER IS BETTER. The Nike Air Max 720 goes bigger than ever before with Nike’s tallest Air unit yet, offering more air underfoot for unimaginable, all-day comfort. Has Air Max gone too far? Benefits Nike's tallest Air unit to date, the 720 Air unit runs the length of the outsole. Colors are inspired by the natural world, a counterpoint to the shoe's futuristic look. Molded lines in upper appear to radiate out from the sides, creating a wavelike design. Heel clip extends the look of the Air unit for even more visual impact. Product Details Textile and synthetic Rubber outsole Nike Air Max Origins Nike's revolutionary Air-Sole unit made its way into Nike footwear in 1978. 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.