The Unisex Adult Powerfin Pro II Swim Training Fins by POWERFIN are designed for both men and women who engage in swimming and water sports activities. Made of high-quality silicone material, these short blade fins are designed for regular fit and pull-on closure. With a sleek black color and a size range of 12.5-13.5, these training fins are suitable for adult users looking to improve their swimming performance. The Powerfin Pro II fins are equipped with a unique design and innovative technology to enhance propulsion and maneuverability in the water, making them a popular choice among water sports enthusiasts.