BIGGER IS BETTER. The Nike Air Max 720 goes bigger than ever before with Nike’s tallest Air unit yet, which offers more air underfoot for unimaginable, all-day comfort. Has Air Max gone too far? Benefits A textile and synthetic upper gives comfortable support. Nike's tallest Air unit to date, the 720 Air unit runs the length of the outsole. Colors take inspiration from the natural world, a counterpoint to the shoe's futuristic look.