Multifilament Synthetics. Tecnifibre’s NRG2 is designed for maximum power with maximum feel through the utilization of PU and Elastyl® fibers with an SPL coating. PU inside has 400% elasticity for ultimate comfort and a dynamic performance. SPL (Silicum Pyrog.
Holabird Sports is a family-owned and operated running and racquet sports specialty company located just 20 minutes from Baltimore’s Inner Harbor! They are local sports enthusiasts, runners, tennis players of all levels, trained teaching pros, Master Racquet Technicians, Senior Olympians, collegiate athletes, marathoners, squash and racquetball players, and so much more.