How Many Millimeters Are in a Running Shoe?

This isn't a mass quote unquote mass produce shoe, right? Like how many units would, I don't know if I can get into the jacket. So this is about 10 millimeters. Typical in Seoul is maybe two or three, maybe four millimeters. So it's like having five in your shoe almost. Exactly. And then they're working in tandem, right? You want that soft feeling when you step in, but you want a bit of energy return as you're running down the street.