The adidas Microbounce Pro Star running shoe features improved Microbounce heel technology that combines a lightweight, energy-returning cushion with a stylish, reflective upper to make running feel almost effortless. Textile/synthetic upper. Bounce® technology provides optimized energy return and step-in comfort. adiPRENE®+ insert aids forefoot propulsion and efficiency. adiWEAR® outsole offers best durability in high-wear areas.