# AS-ZIPFIN
Aqua Sphere Zip Fin's use a patented Nature's Wing(R) fin technology. It is the only fin that eliminates ankle fatigue for fitness swimmers, allowing for a full-leg workout that can be sustained over longer periods of time.
The split blades twist independently during each stroke to a precise angle of attack that creates lift and thrust. They have an open heel adjustable ankle strap. XS Fits Size 11-2 S Fits Size 3-6 M Fits Size 6.5-9.5
Price: $29.99 Online Sale: $23.99
Color Options: Blue/Black.
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