Nodes increase circulation while walking and stand long periods (almost like a jel and foam) and you're are able to position your feet in variety of ways and still feel balanced! Well worth the money for me, wife n kids want them as well. Quality of the shoe is durable and very breathable. Hopefully, I can get the 001 in red & 002 in black... Got very lucky, good luck! Im a 10.5 normally and YES order one complete size up. T.E.T.O