Monofin Designed for Dolphin Kick Training: The FINIS Wave Monofin utilizes a unique monofin design to help you master your dolphin kick Adjustable Fit for Youth: This swimming fin for youth ensures a comfortable and secure fit, with an open toe and heel design to fit a wide range of foot sizes Quick Release Swimming Fin: No more struggling with your swim gear—our quick-release system allows for easy adjustment and effortless removal of the fin Robust & Durable Monofin: Included plastic inserts that help maintain the foot pocket shape during storage, ensuring your fin lasts swim after swim About FINIS: Our mission is to simplify swimming through innovation, high-quality products, and a commitment to education