Upper: Ultra-soft, water resistant, kangaroo leather upper with Touch Control on forefoot for enhanced first touch. Insole: Removable, anatomic EVA insole provides increased elasticity, reduced weight, maximum shock absorption and comfort with anti-bacterial treatment. Outsole: The new Axeler TI technology, with innovative Nanoflex titanium and molybdenum components, further improves the exceptional Axeler Technology. Spring studs, cylindrical stud points and a bellows section improve shock absorption.