Brine LoPro Superlight Lacrosse Arm Guard New to the line, LoPro AG is focused on providing added protection on last second slashes from opposing defenders 2-Piece compression molded pad with ABS caos provides solid protection at a weight that is 30-Percent lighter than most arm guards Contour Mesh Sleeve helps to shpa ehte pad to the contours of your amr providing a form fit and preventing slippage