adidas Men's Soccer X15.1 Firm/Artificial Ground Synthetic X-SKIN ultra-light upper material lets you control the ball at any speed so you can cause chaos. X-CAGE thin, reinforced layers give you the midfoot stability you need for game-changing play to destroy the defense techfit collar is engineered for natural, flexible support and a seamless, sock-like fit. NSG adds texture to the upper for incredible touch X-CLAW revolutionary claw stud configuration allows for unpredictable moves and unbeatable acceleration with an outsole designed for firm and artificial ground. Report incorrect product information. Synthetic manmade sole.