Pura swimming fins are made of highly versatile and comfortable silicone. These fins are designed for swimmers who wish to intensively train their legs and ankles, increasing strength in the abdominal and lumbar region. Made of 100% silicone, the Pura fins are easy to wear. This model of short fins completes the Cressi swimming line at its best. Overall, these fins are great for family snorkelling trips and will allow for hours of underwater exploration.