Bill says this is the "best longboard" he's ever designed. Historically, the Hydro Hull has been Bill's top selling board worldwide. This next generation Hydro Hull has a modern trim rocker with a single to double concave bottom and is made with Surftech's proprietary Tuflite-PC construction process.These features are complimented by a Carbon wrapped beveled entry rail, which provides forgiveness as well as performance . The 2+1 fin configuration ia another proven Bill Stewart innovation that's stood the test of time. The New Hydro Hull is the all-purpose surfboard for those seeking more waves, more fun and more performance.