Scubapro Twin Jet Max FinsOVERVIEW A well designed split fin is fast and maneuverable, enabling you to cover a lot of ground without cramping leg muscles or straining ankles. The TWIN JET MAX features a dual compound design that offers a slightly stiffer blade with a little more feedback than what you might expect in a flexier fin. Employing what's known as "propeller technology," the distinctive split hydrofoil shape of the TWIN JET MAX blade allows water to flow between and