Designed for a wide range of swimmers, from beginners to professionals, covering fitness, competitive swimming, longdistance freestyle, backstroke, kicking and more. Open heel adjustable design fits different foot sizes, allowing you to share the fins with family and friends. Lightweight and portable, with an adjustable heel strap that is easy to put on and take off. Scientifically designed to reduce resistance and drainage, making it a practical tool for learning and training in swimming. Distinctive spider design with color matching that stands out visually. Suitable for water activities including swimming training, scuba diving and snorkeling. Use scenarios: Pool training and conditioning: use for kicking drills, endurance sets, and techniquefocused practice to improve propulsion and efficiency. Travel or family use: open heel design accommodates varying foot sizes, making it easy to share among family members on trips to pools or beaches. Scuba diving and snorkeling: enhances kick efficiency and propulsion during surface and underwater exploration.