*Recommend sizing up if on the border of a size. 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 notion 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. Gender Woman, Man Product-ID 002496 Material composition 100% Silicone
