Product Details:
•   *Recommend sizing up if on the border of a size. Sizes listed are US mens, for US womens size we recommend going down 1.5 sizes.
•   Sloping surface and hydrodynamic slits in the top to allow you to swim with a faster leg kick and better control.
•   The open heel ensures the best possible ankle flexibility allowing faster upwards motion and a more powerful downward leg kick.
•   Training your legs vertically using Powerfin Pros for just a few minutes today will help you improve your underwater phase.
•   The vertical leg kick allows you both to control your body position and make sure you are performing a proper leg kick.
•   Inclined short blade for maximum forward thrust and high frequency kick
•   Special notches on the bottom ribs for faster kicks and side rails for better control
•   Customized for left and right foot, with open heels for maximum flexibility