The Fresh Foam X midsole is designed to deliver an exceptionally comfortable experience with its optimum cushioning. The Hypoknit upper is strategically crafted to offer a combination of flexibility and support. To control pronation, the shoe features a medial post. For a secure fit, the shoe has a lace-up closure. Please note that the 8 mm drop mentioned in the description is approximate due to variations that may occur during development and manufacturing processes. Thank you.