Arena Unisex's Powerfin Pro Swim Training Fins, USA, 6-7

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 Power fin Pros f...