The TUSA HyFlex SWITCH Pro offers a 20% stiffer blade compound for the advanced diver. The PuRiMaX Polyurethane Blade System generates great forward propulsion and provides a quick snappy response to the divers every movement. TUSAs unique Vortex Generator effectively reduces water resistance through the fin stroke normally found on traditional smooth blades. TUSAs Multi-compound foot pocket increases power transfer to the fin blade. The TUSA Hyflex Switch is equipped with the new Universal Bungee Strap providing extraordinary comfort.