GO BIG OR GO HOME. The Nike Air Max 720 boasts the largest Max Air unit yet for a supersoft ride. Though it feels like you´re walking on air, colors inspired by geology will bring you back down to Earth. Full-length 720 Max Air unit is Nike´s biggest one yet. Molded lines create a wave-like design. Rubber on the outsole adds traction and durability. Heel clip extends the look of the Max Air unit. "