The U.S. Divers Proflex FX Water Sport Fins in black and gray are a high-quality choice for water sports enthusiasts. These fins are designed by the reputable brand U.S. Divers and feature a sleek design that enhances propulsion and maneuverability in the water. The size M 7-10 ensures a comfortable fit for a wide range of users, making them a versatile option for various water sports activities.