Fully synchronized motion outsole, flex welt, and perforated leather support comprehensive flexibility.Laser-cut perforations deliver flexibility, breathability, and moisture control.Running shoe-inspired energy foam responsively cushions and aids each step.Tongue and achilles padding generate ready-to-wear comfort.Lightweight torsional arch supports and steadies every movement./li>Anatomically engineered footbed is designed to cradle each step and reduce moisture.Grand.ØS technology.