*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. These are the fins all professional swimmers have been waiting for. Their innovative design features a 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. Features:- 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 Gender Woman, Man Product-ID 1E207 Material composition 100% Silicone
