Arena Powerfin Pro II

Customers say these swim fins offer a comfortable fit for most users. Many reviews mention the open-heel design and shorter blade length work well for training. While sizing can be tricky, with some finding them running large and others small, most swimmers report good results when sized correctly. The fins provide strong propulsion during workouts, though some note they're heavier than other models. Common feedback includes their effectiveness for building leg strength and improving kick technique. While most find them comfortable, a few mention issues with the toe opening design and fit width.