Outsole Rubber outsole for longer durability and an optimal grip on the court surface. Midsole Moulded-EVA midsole to ensure cushioning and comfort. Composition SYNTHETIC Weight clay 360 gr. (usa 9)speed 380 gr. (usa 9) Structure PU ultra-solid structure for ideal stability. Technology Differentiated-density Enerturn cushioning technology. Technologies Exclusive lacing system designed to act like a clasp that holds the laces firm. Available in tennis shoes. Fas (foot arch support) is a medial stabilizer which ensures correct torsional elasticity. Available in tennis and running shoes. Heel control is a set of technical features used in the construction of the upper to ensure correct heel support and control. Available in tennis and running shoes. Longlast 40. Special mix of rubber with high abrasion resistance. the rubber in the forefoot in the running line gives enhanced performance when on the go. Available in tennis and running shoes. Puntoflex is a special technical device which allows the foot to flex correctly and gives an excellent elastic return. Available in football, five-a-side, tennis and running shoes. RFC REINFORCEMENT. System of special technical solutions for making upper. it improves foot stability and protection, and extends the shoe’s life. Available in tennis and running shoes. shock absorption system in multiple-density elastic material which disperses the negative forces of impact and returns the accumulated energy to the player. Available in tennis and five-a-side shoes.