Super soft silicone for unsurpassed comfort. Perfect for pool swimming and swim squads. + All sizes are in US mens About Details ABOUT Winner of the Australian Design Award. Perfect for pool swimming and swim squads. Features 3 drain holes ensuring water & sand are quickly flushed. Contour Ankle strap designed to ensure maximum comfort. Asymmetrical design based on the body’s natural movement, designed to equally distributes the force around the foot. THE HYDRO V RAIL Hydro's patented V Rail Design creates more surface area to increase kick thrust. The fins symmetrical design eradicates leg twist motion allowing longer surfs and less strain/injury to the user. Combine all this with its comfortable foot pocket, and it's no wonder waterman all over the world have been choosing to use the Hydro Original Fin for decades.
