These advanced split fins employ Propeller-Fin™ Technology, which delivers ultra-high performance with a low amplitude rapid flutter kick. As the fin moves through the water its two wingshaped surfaces create lift and forward propulsion like a propeller. Efficiency is increased while drag and effort is reduced. The 20° Angled Blade Design ensures maximum efficiency throughout the entire kicking cycle with minimum strain on the leg muscles when using a small bent-knee kick with a light rhythm. Black. Three-year warranty.

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