The STX Hammer 500 EnduraForm Lacrosse Head brings added durability to the original model with STX’s new EnduraForm technology. STX developed the Hammer 500 EnduraForm Head to withstand extreme temperatures using a new proprietary material blend. STX has also included Speed Scoop technology to help scoop through ground balls with ease on any surface. The STX Hammer 500 EnduraForm has three sidewall braces designed specifically to improve durability to last through all of the punishing checks you can throw at it. The Hammer 500 EnduraForm has C-Channel technology that helps distribute stress throughout the bottom rail giving you the durability and strength a defensive player needs. The Hammer 500 EnduraForm is perfect for any elite defensive player looking to bring his game to the next level all year long.