The Wave Monofin is a youth size recreational monofin that teaches younger swimmers the undulation needed for a proper dolphin kick. Safe to use in a pool, lake or ocean, the Wave builds leg strength and increases water confidence. The Wave has a built in stability ridge for proper flexion and comes with an adjustable heel strap that can be fitted to various sizes, making it a great product for beginner competitive swimmers. The Wave comes with quick-release foot straps for added safety and easy adjusting. Plastic protection inserts are included to maintain a comfortable foot pocket shape during storage.