STX Surgeon 10° 500 (NCAA) Lacrosse Head has been designed specifically to maximize ACP™ technology, which helps maintain the shape of the head in a variety of weather conditions while remaining lightweight. The new design is 10% lighter than the original Surgeon 10 model. This design further features a stiff, pointed scoop with aggressive “smile” that helps define the channel for increased accuracy. Contoured throat with new added texture for enhanced control when cradling, STX Forward Cant™. Meets NCAA rules only