Sizes: EU 37-38. The durable Arena short fins Powerfin are ideal for swim training in clubs and schools. They are suitable for both fitness and competitive swimmers, as well as for swimming lessons. The soft, PVC-free silicone ensures maximum comfort and excellent power transfer, even during long training sessions. With these fins, you can train the correct stroke technique for powerful propulsion. The short fin blade allows for a higher stroke frequency and perfect push-off after turns. Additionally, the leg kick remains very similar to the actual swimming motion, making the training effect more directly applicable. New training goals can be achieved more quickly. The improved propulsion of the legs leads to higher swimming speeds. The right technique and training will give you a crucial advantage in competitions when it matters most.