The adidas adiZero Ace II tennis shoe features a SPRINTSKIN upper that provides stability and comfort. Forefoot SPRINTWEB construction adds maximum stability. adiTUFF® on the medial toe helps protect from abrasion. Extended TORSION® SYSTEM for midfoot and forefoot integrity. adiPRENE®+ insert aids forefoot propulsion and efficiency. adiPRENE® heel insert offers comfort and shock absorption. adiWEAR® gives durability in high wear areas. Comes micoach ready. Wt. 11.2 oz.