Built for young rippers Designed for smaller, intermediate riders, the Hydroslide Magna kneeboard has a classic shape that gives it a smooth, easy ride without sacrificing any pop off the wake. Its EVA pad with deep knee wells is coupled with a 3" padded belt to give the rider superb control during every trick and maneuver. Its thin-profile design provides a great look as well as outstanding performance. To top it off, the Magna comes with the built-in Hydrohook for effortless starts.