Softer rubber produces more backspin. The DONIC QUATTRO A'CONDA with FAKTIS-Technology.It became obvious that the FAKTIS technology could also be used to produce an all-round and defensive rubber. Instead of synthetic rubber, we have used the softening process with a natural rubber. This is slower but affords maximum grip. The extra softness ensures that the ball enjoys a larger "sweet spot" when making contact with the rubber. The result is more backspin, longer contact and optimum ball control. FAKTIS technology has provided DONIC QUATTRO A'CONDA with a grippy natural rubber, which preserves its appearance and spin qualities for much longer than is the case with tacky top surfaces. In addition, it has momentous spin!DONIC QUATTRO A'CONDA SOFTPerfect for defenders. Also highly suitable for all-rounders who require the best possible grip and control.