These Speedo Biofuse training fins are designed for adult swimmers looking to enhance their aquatic performance. Constructed from 100% silicone, the fins offer a balance of comfort and durability in the water. The Biofuse technology is engineered to assist in the development of lower body strength, improved speed, and better coordination during swimming sessions. By increasing resistance, these training aids help users refine their technique and build endurance. Suitable for use in pool training environments, these fins support a consistent and efficient kick cycle.