Transform your swimming experience with the Finis Rapid Monofin, a dynamic and flexible aquatic companion designed to infuse joy into your training sessions. The single-blade design encourages the precise kick undulation essential for mastering an efficient dolphin kick. Dive into a world of fun and fitness as this recreational monofin, tailored for teenagers and adults, provides a superb core and leg workout. The stability ridge ensures proper flexion and speed, while technique channels empower you to control the fin's flex. With an open toe and heel design accommodating a wide range of foot sizes (US Male 8-12, US Female 9-13, EURO 40-46), the Quick Release strap configuration guarantees swift and safe removal. Elevate your aquatic adventures with the Finis Rapid Monofin, making every swim a celebration of skill and strength.Product Features: single-blade design recreational monofin stability ridge quick release open toe, heel design