Ultra Blue Finz are also lightweight which results in a more balanced and natural rhythmic kick as well as a reduction in muscle fatigue in the calves, so swimmers are less likely to experience cramping post swim. Our Ultra Blue Finz can be used with a kickboard, allowing you to focus solely on improving your kick.SpecificationMade from sustainable rubber (dual density). Specifically designed blade for optimum propulsion and performance. Lightweight and compact .
EU45-46/UK11-12, EU43-44/UK9-10, EU41-42/UK7-8, EU39-40/UK6-7, EU37-38/UK4-5