adidas Men's Ultraboost Textile and Synthetic Rubber sole Shaft measures approximately low-top from arch boost is our most responsive cushioning ever: The more energy you give, the more you get adidas Primeknit upper wraps the foot in adaptive support and ultralight comfort TORSION SYSTEM for midfoot integrity; FITCOUNTER molded heel counter provides a natural fit that allows optimal movement of the Achilles STRETCHWEB rubber outsole flexes underfoot for an energized ride Continental Rubber outsole for extraordinary grip in wet and dry conditions.Supportive cage wraps around the midfoot for a lockdown fit