STX Lacrosse Super Power Plus Unstrung Lacrosse Head Flexible design for additional ball feel and snap through STX's Island ball-stop, Scalloped Scoop and the Power family's iconic single sidewall brace STX's first head engineered with ACP (All Climate Performance) and C-Channel technologies, making it the lightest head in our line ACP maintains head shape in all climates while pushing the boundaries of weight C-Channel - strategic use along the bottom section maintains strength in a key area without adding weight Meets NCAA and NFHS rules