Phazer is the only adjustable fin that adapts to maximize the pinnacle power of each diver. The new phazer aqua length fin features an innovative design that ensures unique looks and technologies. Wave r composite technology gives the fin: in physics a wave is described by a number of features, one of them is the "phase" (Phase), which is specific to each Wave. A wave transfers energy, as well as our new fin transfers energy from the underwater to the water, receiving the movement in return... And here comes the phazer, motion generator. Understanding the benefits of this technology is intuitive: it works like a spring, in the shape of a wave, ensuring high elasticity thanks to exclusive design and customized materials. All divers will benefit from these design features. The phazer also comes with silicone bungee strap for easy dressing and undressing operation.