Product Details: Swim Training Fins Comfortable Silicone Swimming Flippers Navy Features: Swim fins are designed for lap swimming training to build leg strength, enhance speed and improve endurance. Comfortable Fit - The foot pocket of the Swimming fins are made of soft rubber for a secure and comfortable fit. The closed heel design inhibits hyperflexion. Build Leg Strength and Ankle Flexibility - The short blade design of training fins promotes shorter and faster kicks while generating propulsion through the water, increasing the speed and endurance of your swimming. All Skill Levels - This is the best fins for long freestyle sets, backstroke, kick sets, etc. Appropriate for fitness and competitive swimmers to build cardiovascular conditioning. Specifications: Colour:Navy Material:Silicone Package Included: 1 x Pair Swim Training Fins Notes: The colors may be a little different for the different monitor display. Please allow minor deviation due to manual measurement