Tecnifibre NRG2 provides players with maximum feel and power. Utilizing their Elastyl fibers, which give 12% more power than standard synthetic string materials, throughout this multifilament strings leads to a more elastic string, giving easy power and a comfortable feel. NRG2 features the SPL technology (Silicium Pyrogene Lubritec), an abrasion resistant coating to increase the durability. Tecnifibre's PU Inside technology to bind the multifilament fibers together provides up to 400% elasticity for the ultimate comfortable feel for touch shots. A perfect combination for the player seeking a string with power and comfort.